Merge remote-tracking branch 'upstream/master'
Code fix in LiveRunner for CompileStateTracker related changes
Continue code clean up for operator
Add AstFactory to Associative AST
Integrate CompileState into the testframework

1. Integration of CompileState  into the testframework so the tests can
inspect compilation status
2. Remove BuildStatus from Core as it is only used at compile time
Merge remote-tracking branch 'upstream/master'
Expose a static method in TypeSystem so that creating type object without creating core; code clean up
Create type object from TypeSystem in AstFactory.BuildParamNode()
Merge branch 'master' of https://github.com/lukechurch/designscript
Handle replication guides in inline conditionals & Fix compile states in LiveRunner
Merge remote-tracking branch 'upstream/master'
Merge pull request #28 from aparajitp/master

Code fix in LiveRunner for CompileStateTracker related changes
Merge pull request #30 from junmendoza/master

Integrate CompileState into the testframework
Merge pull request #31 from ke-yu/master

Code clean up on DesignScript side
Merge remote-tracking branch 'upstream/master'
removed stringlength inbuilt fn