port1.0/portutil.tcl: Refactored the option[-append|-delete] stuff. Less eval'd procs, use interp alias instead.
port1.0/portutil.tcl:
Refactored the option[-append|-delete] stuff. Less eval'd procs, use interp alias instead.

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@34695 d073be05-634f-4543-b044-5fe20cf6d1d6

danchr/macports-base,neverpanic/macports-base,neverpanic/macports-base,macports/macports-base,macports/macports-base,danchr/macports-base