Clean up makefile, begin clearing extra #includes
Fix excess whitespace

Signed-off-by: William Giokas <1007380@gmail.com>
Add SFREE macro

Safe FREE: Check if value exists. If not, do nothing, else free it.

Version 0.5 release.

Signed-off-by: William Giokas <1007380@gmail.com>
Merge branch 'master' of github.com:KaiSforza/dwmstatus