Changing grammar.txt
Updated grammar

Signed-off-by: Alan Rodriguez <alanrodriguezromero@gmail.com>
Merge pull request #4 from jjperezaguinaga/master

Updated examples
Merge branch 'master' of github.com:shnere/CParser
Merge branch 'master' of github.com:shnere/CParser
Merge pull request #5 from fernandort/master

txt
Merge branch 'master' of github.com:shnere/CParser
Updated grammar