Replace call code for functions with tuples
Merge branch 'master' into cleaner_tuple_call
Merge branch 'master' into cleaner_tuple_call
Add const qualifier to appropriate methods (refs #152)
Finish const methods for glow and remove const_casts (refs #152)
More const methods for glowutils (refs #152)
Merge pull request #183 from hpicgs/cleaner_tuple_call

Cleaner tuple call
Merge branch 'master' into const_qualifier
Merge pull request #185 from hpicgs/const_qualifier

Const qualifier for methods in glow, glowutils, and glowwindow
Merge branch 'master' into navigation_techniques