Merge pull request #35 from hoopoepg/master

added implementation of switch/case constructs
Merge pull request #36 from hoopoepg/switch-experimental

fixed issues in memory management on failed case-processing
fix leak & crash in parsing of +=, -= ... operators
Merge branch 'master' of https://github.com/unitpoint/objectscript into unitpoint-master

Conflicts:
	src/objectscript.cpp
Merge pull request #2 from hoopoepg/master

merge into master