fixed --devel check with epoched packages
tagged 4.1.22
add zsh completion file
Merge pull request #208 from z33ky/master

add zsh completion file
fixed non vcs packages not cleaned without cleandevel=true
do not edit PKGBUILDs of cached packages
tagged 4.1.23
Split up builddir

Builddir is split up into $builddir and $targetdir. The latter contains
all the downloaded files whereas $builddir is populated by the makepkg
process.