Environment: don't serialize lookup tables

git-svn-id: http://svn.flexive.org/repository/flexive/trunk@2927 d35d4baa-7912-0410-b0ae-edacad209e15
Compile fix

git-svn-id: http://svn.flexive.org/repository/flexive/trunk@2928 d35d4baa-7912-0410-b0ae-edacad209e15