- Note I'm not in the best state today (bad cold & sleep-deprived). This
commit is likely to introduce bugs.
- Attempt to fix client window detection failures happening when compton
searches for client window before it's ready.
- Fix build failure with <libpcre-8.20. Thanks to @pvanek for reporting
in #51.
- Move client window detection to a new function win_recheck_client().
- Add win_unmark_client(), which unmarks a client window.
- Rename a few functions.
- Split fetching of values of type-Window properties to a new function
wid_get_prop_window().
- Add extra safety checks and assert calls to various functions, to
expose potential bugs.
- Fix a memory leak that w->role is not freed on window destruction.
812ba93516