added letter definition
added names definition
variable definitions
added function declaration definition
Added struct type
added struct declarations
allowing inline struct variables declarations
adding API declaration as a final declaration
fixing typo in argument list definition and in API definition
trailing space
Fixed naming bnf
Define
Makefile clean/clear
Merge branch 'master' into vardai

Conflicts:
	gramatika.bnf
Merge branch 'master' into define

Conflicts:
	gramatika.bnf
Merge branch 'vardai'
Define fix
Merge branch 'define'
Merge branch 'master' into lex