Multiword specificators in loop statements fix

Incorrect conversion of multiword specificators in loop statements fix.
See issue #14.
Multiword specificators in loop statements fix

Incorrect conversion of multiword specificators in loop statements fix.
See issue #14.
Scope closing on preprocessor directives fix

Closing braces are not allowed to appear in the preprocessor directives
lines. See issue #15.
Eliminating warnings

Fixing some unmatched signed/unsigned types and unused variables.
Merge pull request #16 from PavelShyshkouski/master

Bug fixes for issues #14 and #15, warnings elimination