refactored and modified
Most of operators are detected now.
Merge https://github.com/justanothercoder/parser into HEAD

Conflicts:
	main.cpp
All tokens are recognized properly, refactoring required
Merge branch 'master' of https://github.com/pavluntiy/parser into HEAD
Merge branch 'master' of https://github.com/pavluntiy/parser into HEAD

Conflicts:
	alphabet.h
	lexer.h
	token.h
isOldBLock doesn't work
Merge branch 'master' of https://github.com/pavluntiy/parser

Conflicts:
	alphabet.h
	lexer.h