Expressions: Equal, GTE, LTE, NotEqual
Merge remote-tracking branch 'origin/master'

Conflicts:
	Javathon/src/grammar/JavathonLexer.java
	Javathon/src/grammar/JavathonParser.java
	Javathon/src/grammar/JavathonTreeWalker.g
	Javathon/src/grammar/JavathonTreeWalker.java
	Javathon/src/main/javathon/GTENode.java
	Javathon/src/main/javathon/GTNode.java
	Javathon/src/main/javathon/LTENode.java
	Javathon/test.txt
Fixed test
.gitignore is now working