Replace atoi and atof with stoi and stof
Remove tgui::to_string and make use of std::to_string
Refactor member variable names
CMAKE_CXX_FLAGS_DEBUG are ok by default
Replace -std=c++0x by -std=c++11
Changed version number to v0.7
Replace SplitImage with 9-slice scaling
Remove phases, just draw when the image is available
Added missing file
Support MinGW again
Button didn't check if images were loaded before drawing
Slider was still trying to draw the hover image even when not given
Fix thumb scaling of Slider
Images of checkbox need to have the same size now
Avoid potential bugs by initializing with getImageSize instead of getSize
Update other theme config files to new syntax
Stretching is the default behaviour, so don't put it in the config file
Add a function to TextBox to make it read-only
Added missing includes
Make Texture class support horizontally and vertically stretched images next to just 9-slice scaling