Fix ICCCM 4.2.3 compliance and add special handling for Java.
Fix ICCCM 4.2.3 compliance and add special handling for Java.

Fix transient windows blocking focus to respective main windows.

Fix override_redirect window focus issue.

Fix window borders when applications set focus.

Add more details to debug overlay.

Fixes #42

conformal/spectrwm,conformal/spectrwm,conformal/spectrwm