Add parser:add_arguments( ... ) method
clink.arg.new_parser() now get variable number of arguments, threated as parser arguments and/or flags
Add documentation for previous commits
Add .exe to gitignore
Merge branch 'arg-new-parser' of http://github.com/vladimir-kotikov/clink into arg-new-parser
Updated documentation.
Add clink.arg.add_flags() to match clink.arg.add_arguments().
Removed footer and Alt-H tip for more succint stdout output.