Helios: Yet another fix for inspectors tab label refresh
Helios: removes unused HLDebuggerModel>>initializeFromContext:
Helios debugger uses ASTDebugger
Fixes inlining of #ifNil: and #ifNotNil:

The $receiver internal variable was not declared
Fixes #923
Helios: Fixes a typo in HLManager
Fixes HLInspectorDisplayWidget >> selection
recompiles all files

fixes #921
Improves MethodContext >> asString
Helios debugger: flush inner contexts when stepping
Various small fixes related to Helios debugger
Evaluator is a subclass of InterfacingObject
Fixes IRJSTranslator emitting internal variables twice for $receiver
Fixes ASTDebugger >> onStep: do not assign `context` to `nil`
Fixes ASTInterpreter's block interpretation related to the return value
Fixes helios tabs d&d when dragging after the last tab.
- Helios debugger improvements
- ASTDebugger top context handling
Use AIContext >> isTopContext
Fixes Helios' debugger `proceed`
ASTDebuggerTest