Analyzer internally as a generator
analyser and lexical returns a generator
Code line generator: lexical/analyse from str/file
Rewrite analyse (code_line_generator proper use)
Syntax input is now a token generator
New UnkownToken exception (from analyse)
analyser corner cases testing: empty token_types
Merge branch 'analyser' of https://github.com/danilobellini/pyNES into 0.1.x

Conflicts:
	pynes/compiler.py
Merge pull request #15 from danilobellini/analyser

analyser using generators #11