-compiler and parts of interpreter now use union to store different data types
-got rid of a great deal of pointer->integer casts
-ASSERT() now outputs last event (or function) called by scripts
-implemented float data type support for the scripting engine - basic functionality at the moment
git-svn-id: svn+ssh://svn.gna.org/svn/warzone/trunk@846 4a71c877-e1ca-e34f-864e-861f7616d084