Use DEBUG to log timer events

Conflicts:
	libqtile/widget/base.py

Closes #253
Vim-like keys for moving left/right and swap

Commands to move left and right. Swap windows-commnd. Swapping current window
with with closest window in one of four directions. Keys for vim like focusing
and swapping of windows with modkey-[hjkl] and modkey-shift-[hjkl]

Closes #278
Fix missing non-ascii symbols in window titles

Closes #279
Removed duplicate property

Closes #280