Fix X11 pixmap leak.
Keep reading the config file even after an error has been encountered.
Move Client/Server into common.
EINTR/TEMP_FAILURE_RETRY stuff.
Identify overrides with the 'override' keyword.
window.{h,c}xx cleanup.
Implemented X11 pseudo transparency.
Disable visual bell by default.
Get rid of macro from Basics::determineMasks().
Cleanup.
Added option "auto-hide-cursor".
Config parser overhaul.