Merge pull request #5 from jupacaza/master

Grammar correction and addition of Syntax Diagrams
Delete folder with duplicated test
Delete folder with duplicated test
Fix head problems
With line number tracking in lexer and debug activated in parser
With def as reserved word for functions declaration
Check for parentesis before ids in the lexer
Grammar corrections, main is a function and local variables can be declarated
updated diagram file
Comments are recognized
new test file, similar to example in documentation
declaration and assigment in the same line, we need to analize the rule for a program. Comments inside functions does not work because of tab
true and false are not reserved words, they are C_BOOL
important changes in test1.txt in order to run it successfully, we need to fix the comments
Primer commit JP