Adición de un test y corrección de gramática
Merge branch 'master' of https://github.com/zavalza/Vispi

Conflicts:
	PLY/patito_parse.py
corrected Main
commit antes de descargar la copia de Paul
Merge branch 'master' of https://github.com/zavalza/Vispi
Merge branch 'master' of https://github.com/zavalza/Vispi

Conflicts:
	PLY_Vispi/parser.out
	PLY_Vispi/vispi_lex.py
Correction of grammar rules and addition of syntax diagrams.
Merge pull request #5 from jupacaza/master

Grammar correction and addition of Syntax Diagrams