diff --git a/src/net/mightypork/calculator/CalculatorBatch.java b/src/net/mightypork/calculator/CalculatorBatch.java
index 0b1f756..0027dfe 100644
--- a/src/net/mightypork/calculator/CalculatorBatch.java
+++ b/src/net/mightypork/calculator/CalculatorBatch.java
@@ -15,7 +15,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Batch calculator (reads input from a file)
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class CalculatorBatch implements Runnable {
 
diff --git a/src/net/mightypork/calculator/CalculatorInteractive.java b/src/net/mightypork/calculator/CalculatorInteractive.java
index 4c74cf9..318e051 100644
--- a/src/net/mightypork/calculator/CalculatorInteractive.java
+++ b/src/net/mightypork/calculator/CalculatorInteractive.java
@@ -13,7 +13,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Interactive calculator
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class CalculatorInteractive implements Runnable {
 
diff --git a/src/net/mightypork/calculator/Main.java b/src/net/mightypork/calculator/Main.java
index 7dd5967..1ef976a 100644
--- a/src/net/mightypork/calculator/Main.java
+++ b/src/net/mightypork/calculator/Main.java
@@ -7,7 +7,7 @@ import java.io.File;
 /**
  * Application main class
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class Main {
 
diff --git a/src/net/mightypork/calculator/Tests.java b/src/net/mightypork/calculator/Tests.java
index 2080c36..22bde47 100644
--- a/src/net/mightypork/calculator/Tests.java
+++ b/src/net/mightypork/calculator/Tests.java
@@ -7,7 +7,7 @@ import net.mightypork.rcalc.RCalc;
 /**
  * RCalc unit tests
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class Tests implements Runnable {
 
diff --git a/src/net/mightypork/rcalc/IDebugable.java b/src/net/mightypork/rcalc/IDebugable.java
index 2c737dc..968533a 100644
--- a/src/net/mightypork/rcalc/IDebugable.java
+++ b/src/net/mightypork/rcalc/IDebugable.java
@@ -4,7 +4,7 @@ package net.mightypork.rcalc;
 /**
  * Interface for classes with optional debug mode
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public interface IDebugable {
 
diff --git a/src/net/mightypork/rcalc/IEvaluable.java b/src/net/mightypork/rcalc/IEvaluable.java
index b8ed8bd..19c8c88 100644
--- a/src/net/mightypork/rcalc/IEvaluable.java
+++ b/src/net/mightypork/rcalc/IEvaluable.java
@@ -7,7 +7,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Interface of an object that can be turned into a fractional value
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public interface IEvaluable {
 
diff --git a/src/net/mightypork/rcalc/IEvaluableToken.java b/src/net/mightypork/rcalc/IEvaluableToken.java
index 6f0f2d2..e5ad6da 100644
--- a/src/net/mightypork/rcalc/IEvaluableToken.java
+++ b/src/net/mightypork/rcalc/IEvaluableToken.java
@@ -4,7 +4,7 @@ package net.mightypork.rcalc;
 /**
  * Evaluable token interface
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public interface IEvaluableToken extends IEvaluable, IToken {
 
diff --git a/src/net/mightypork/rcalc/IToken.java b/src/net/mightypork/rcalc/IToken.java
index 2125992..58cf2fc 100644
--- a/src/net/mightypork/rcalc/IToken.java
+++ b/src/net/mightypork/rcalc/IToken.java
@@ -4,7 +4,7 @@ package net.mightypork.rcalc;
 /**
  * Token interface
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public interface IToken {
 	/**
diff --git a/src/net/mightypork/rcalc/ParseError.java b/src/net/mightypork/rcalc/ParseError.java
index b35874c..2dd838b 100644
--- a/src/net/mightypork/rcalc/ParseError.java
+++ b/src/net/mightypork/rcalc/ParseError.java
@@ -4,7 +4,7 @@ package net.mightypork.rcalc;
 /**
  * Error thrown when a syntax error is encountered while parsing an expression
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class ParseError extends RuntimeException {
 
diff --git a/src/net/mightypork/rcalc/RCalc.java b/src/net/mightypork/rcalc/RCalc.java
index c160ca7..80aa83f 100644
--- a/src/net/mightypork/rcalc/RCalc.java
+++ b/src/net/mightypork/rcalc/RCalc.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
  * Rational calculator, expression parser returning fractional results instead
  * of imprecise decimal values.
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class RCalc implements IDebugable {
 
diff --git a/src/net/mightypork/rcalc/RCalcSession.java b/src/net/mightypork/rcalc/RCalcSession.java
index 7464c4c..f108b4c 100644
--- a/src/net/mightypork/rcalc/RCalcSession.java
+++ b/src/net/mightypork/rcalc/RCalcSession.java
@@ -13,7 +13,7 @@ import net.mightypork.rcalc.numbers.Fraction;
  * Rational Calculator Session - interactive RCalc with possibility to set and
  * use variables.
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class RCalcSession implements IDebugable {
 
diff --git a/src/net/mightypork/rcalc/TokenList.java b/src/net/mightypork/rcalc/TokenList.java
index 9f11a00..d8d6d09 100644
--- a/src/net/mightypork/rcalc/TokenList.java
+++ b/src/net/mightypork/rcalc/TokenList.java
@@ -11,7 +11,7 @@ import net.mightypork.rcalc.tokens.*;
 /**
  * A list of tokens which can be parsed into a single IEvaluable
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenList extends ArrayList<IToken> implements IToken {
 
diff --git a/src/net/mightypork/rcalc/Tokenizer.java b/src/net/mightypork/rcalc/Tokenizer.java
index 17646ce..aca0e78 100644
--- a/src/net/mightypork/rcalc/Tokenizer.java
+++ b/src/net/mightypork/rcalc/Tokenizer.java
@@ -11,7 +11,7 @@ import net.mightypork.rcalc.tokens.*;
 /**
  * Utility for converting an expression from String to a list of tokens
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class Tokenizer implements IDebugable {
 
diff --git a/src/net/mightypork/rcalc/numbers/Fraction.java b/src/net/mightypork/rcalc/numbers/Fraction.java
index de4f595..60fd049 100644
--- a/src/net/mightypork/rcalc/numbers/Fraction.java
+++ b/src/net/mightypork/rcalc/numbers/Fraction.java
@@ -11,7 +11,7 @@ import net.mightypork.rcalc.TokenList;
 /**
  * A fractional number with methods for basic arithmetics
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class Fraction implements IEvaluableToken {
 
diff --git a/src/net/mightypork/rcalc/operations/BinaryOperation.java b/src/net/mightypork/rcalc/operations/BinaryOperation.java
index d46beaa..3b1b306 100644
--- a/src/net/mightypork/rcalc/operations/BinaryOperation.java
+++ b/src/net/mightypork/rcalc/operations/BinaryOperation.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Abstract operation with two operands
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public abstract class BinaryOperation extends Operation {
 
diff --git a/src/net/mightypork/rcalc/operations/Operation.java b/src/net/mightypork/rcalc/operations/Operation.java
index 3f45f7a..dd8e0c4 100644
--- a/src/net/mightypork/rcalc/operations/Operation.java
+++ b/src/net/mightypork/rcalc/operations/Operation.java
@@ -9,7 +9,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Abstract operation
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public abstract class Operation implements IEvaluableToken {
 
diff --git a/src/net/mightypork/rcalc/operations/OperationAdd.java b/src/net/mightypork/rcalc/operations/OperationAdd.java
index ee5d5bb..df8b436 100644
--- a/src/net/mightypork/rcalc/operations/OperationAdd.java
+++ b/src/net/mightypork/rcalc/operations/OperationAdd.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Addition
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class OperationAdd extends BinaryOperation {
 
diff --git a/src/net/mightypork/rcalc/operations/OperationDivide.java b/src/net/mightypork/rcalc/operations/OperationDivide.java
index 886ffe0..fc7b1b3 100644
--- a/src/net/mightypork/rcalc/operations/OperationDivide.java
+++ b/src/net/mightypork/rcalc/operations/OperationDivide.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Division
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class OperationDivide extends BinaryOperation {
 
diff --git a/src/net/mightypork/rcalc/operations/OperationFactorial.java b/src/net/mightypork/rcalc/operations/OperationFactorial.java
index d5d56a9..8528aa4 100644
--- a/src/net/mightypork/rcalc/operations/OperationFactorial.java
+++ b/src/net/mightypork/rcalc/operations/OperationFactorial.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Factorial
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class OperationFactorial extends UnaryOperation {
 
diff --git a/src/net/mightypork/rcalc/operations/OperationModulo.java b/src/net/mightypork/rcalc/operations/OperationModulo.java
index fc118e9..8f3be82 100644
--- a/src/net/mightypork/rcalc/operations/OperationModulo.java
+++ b/src/net/mightypork/rcalc/operations/OperationModulo.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Modulo
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class OperationModulo extends BinaryOperation {
 
diff --git a/src/net/mightypork/rcalc/operations/OperationMultiply.java b/src/net/mightypork/rcalc/operations/OperationMultiply.java
index 791fc54..e62fbaf 100644
--- a/src/net/mightypork/rcalc/operations/OperationMultiply.java
+++ b/src/net/mightypork/rcalc/operations/OperationMultiply.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Multiplication
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class OperationMultiply extends BinaryOperation {
 
diff --git a/src/net/mightypork/rcalc/operations/OperationPower.java b/src/net/mightypork/rcalc/operations/OperationPower.java
index 8fe3bcf..970d5f7 100644
--- a/src/net/mightypork/rcalc/operations/OperationPower.java
+++ b/src/net/mightypork/rcalc/operations/OperationPower.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Exponentiation
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class OperationPower extends BinaryOperation {
 
diff --git a/src/net/mightypork/rcalc/operations/OperationSubtract.java b/src/net/mightypork/rcalc/operations/OperationSubtract.java
index 307cc0d..5b8056b 100644
--- a/src/net/mightypork/rcalc/operations/OperationSubtract.java
+++ b/src/net/mightypork/rcalc/operations/OperationSubtract.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Subtraction
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class OperationSubtract extends BinaryOperation {
 
diff --git a/src/net/mightypork/rcalc/operations/UnaryOperation.java b/src/net/mightypork/rcalc/operations/UnaryOperation.java
index c131787..2ed20b0 100644
--- a/src/net/mightypork/rcalc/operations/UnaryOperation.java
+++ b/src/net/mightypork/rcalc/operations/UnaryOperation.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.numbers.Fraction;
 /**
  * Abstract unary operator
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public abstract class UnaryOperation extends Operation {
 
diff --git a/src/net/mightypork/rcalc/tokens/IOperatorToken.java b/src/net/mightypork/rcalc/tokens/IOperatorToken.java
index a330571..bf85a6e 100644
--- a/src/net/mightypork/rcalc/tokens/IOperatorToken.java
+++ b/src/net/mightypork/rcalc/tokens/IOperatorToken.java
@@ -7,7 +7,7 @@ import net.mightypork.rcalc.IToken;
 /**
  * Interface of an operator token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public interface IOperatorToken extends IToken {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenBinaryOperator.java b/src/net/mightypork/rcalc/tokens/TokenBinaryOperator.java
index 25e8763..1b79d47 100644
--- a/src/net/mightypork/rcalc/tokens/TokenBinaryOperator.java
+++ b/src/net/mightypork/rcalc/tokens/TokenBinaryOperator.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.operations.Operation;
 /**
  * Abstract operation token with two operands
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public abstract class TokenBinaryOperator extends TokenOperator {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenOperatorAdd.java b/src/net/mightypork/rcalc/tokens/TokenOperatorAdd.java
index ec020ca..1f47ac9 100644
--- a/src/net/mightypork/rcalc/tokens/TokenOperatorAdd.java
+++ b/src/net/mightypork/rcalc/tokens/TokenOperatorAdd.java
@@ -9,7 +9,7 @@ import net.mightypork.rcalc.operations.OperationAdd;
 /**
  * Addition token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenOperatorAdd extends TokenBinaryOperator {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenOperatorDivide.java b/src/net/mightypork/rcalc/tokens/TokenOperatorDivide.java
index 536a4e4..c6dd0de 100644
--- a/src/net/mightypork/rcalc/tokens/TokenOperatorDivide.java
+++ b/src/net/mightypork/rcalc/tokens/TokenOperatorDivide.java
@@ -9,7 +9,7 @@ import net.mightypork.rcalc.operations.OperationDivide;
 /**
  * Division token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenOperatorDivide extends TokenBinaryOperator {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenOperatorFactorial.java b/src/net/mightypork/rcalc/tokens/TokenOperatorFactorial.java
index e8ac8f3..020ef70 100644
--- a/src/net/mightypork/rcalc/tokens/TokenOperatorFactorial.java
+++ b/src/net/mightypork/rcalc/tokens/TokenOperatorFactorial.java
@@ -9,7 +9,7 @@ import net.mightypork.rcalc.operations.OperationFactorial;
 /**
  * Factorial token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenOperatorFactorial extends TokenUnaryOperatorLeft {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenOperatorModulo.java b/src/net/mightypork/rcalc/tokens/TokenOperatorModulo.java
index 2e0237c..49174f2 100644
--- a/src/net/mightypork/rcalc/tokens/TokenOperatorModulo.java
+++ b/src/net/mightypork/rcalc/tokens/TokenOperatorModulo.java
@@ -9,7 +9,7 @@ import net.mightypork.rcalc.operations.OperationModulo;
 /**
  * Modulo token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenOperatorModulo extends TokenBinaryOperator {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenOperatorMultiply.java b/src/net/mightypork/rcalc/tokens/TokenOperatorMultiply.java
index cae8f32..8f52dae 100644
--- a/src/net/mightypork/rcalc/tokens/TokenOperatorMultiply.java
+++ b/src/net/mightypork/rcalc/tokens/TokenOperatorMultiply.java
@@ -9,7 +9,7 @@ import net.mightypork.rcalc.operations.OperationMultiply;
 /**
  * Multiplication token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenOperatorMultiply extends TokenBinaryOperator {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenOperatorPower.java b/src/net/mightypork/rcalc/tokens/TokenOperatorPower.java
index 49085f1..710d3de 100644
--- a/src/net/mightypork/rcalc/tokens/TokenOperatorPower.java
+++ b/src/net/mightypork/rcalc/tokens/TokenOperatorPower.java
@@ -9,7 +9,7 @@ import net.mightypork.rcalc.operations.OperationPower;
 /**
  * Exponentiation token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenOperatorPower extends TokenBinaryOperator {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenOperatorSubtract.java b/src/net/mightypork/rcalc/tokens/TokenOperatorSubtract.java
index 22db6bc..4dce0ab 100644
--- a/src/net/mightypork/rcalc/tokens/TokenOperatorSubtract.java
+++ b/src/net/mightypork/rcalc/tokens/TokenOperatorSubtract.java
@@ -9,7 +9,7 @@ import net.mightypork.rcalc.operations.OperationSubtract;
 /**
  * Subtraction token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenOperatorSubtract extends TokenBinaryOperator {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenParenthesisLeft.java b/src/net/mightypork/rcalc/tokens/TokenParenthesisLeft.java
index 91be265..eda9f06 100644
--- a/src/net/mightypork/rcalc/tokens/TokenParenthesisLeft.java
+++ b/src/net/mightypork/rcalc/tokens/TokenParenthesisLeft.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.TokenList;
 /**
  * Left parenthesis token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenParenthesisLeft implements IToken {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenParenthesisRight.java b/src/net/mightypork/rcalc/tokens/TokenParenthesisRight.java
index 41ef164..8163149 100644
--- a/src/net/mightypork/rcalc/tokens/TokenParenthesisRight.java
+++ b/src/net/mightypork/rcalc/tokens/TokenParenthesisRight.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.TokenList;
 /**
  * Right parenthesis token
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public class TokenParenthesisRight implements IToken {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenUnaryOperatorLeft.java b/src/net/mightypork/rcalc/tokens/TokenUnaryOperatorLeft.java
index 3021889..34cfae8 100644
--- a/src/net/mightypork/rcalc/tokens/TokenUnaryOperatorLeft.java
+++ b/src/net/mightypork/rcalc/tokens/TokenUnaryOperatorLeft.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.operations.Operation;
 /**
  * Abstract operator token with one operand on left
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public abstract class TokenUnaryOperatorLeft extends TokenOperator {
 
diff --git a/src/net/mightypork/rcalc/tokens/TokenUnaryOperatorRight.java b/src/net/mightypork/rcalc/tokens/TokenUnaryOperatorRight.java
index 1077202..7717e0f 100644
--- a/src/net/mightypork/rcalc/tokens/TokenUnaryOperatorRight.java
+++ b/src/net/mightypork/rcalc/tokens/TokenUnaryOperatorRight.java
@@ -8,7 +8,7 @@ import net.mightypork.rcalc.operations.Operation;
 /**
  * Abstract operator token with one operand on right
  * 
- * @author Ondrej Hruska
+ * @author Ondřej Hruška (MightyPork)
  */
 public abstract class TokenUnaryOperatorRight extends TokenOperator {