bugfix in set_time: wrong interpretation of basedate 0001 due to missinterpretation of datestr2num()
bugfix in set_time: wrong interpretation of basedate 0001 due to missinterpretation of datestr2num()

cleaner code

git-svn-id: a2babe56996d5ef2cfd262307688672f011c6e35@77 46f1e1ae-ddaa-4461-89cc-888b818d8ef3

pygeo/pycmbs,pygeo/pycmbs