Bug Fix: Fixed crash on startup that several users reported.
Bug Fix: Fixed bug that masked errors in strict mode where parameter types were not declared.
Bug Fix: Fixed bug that caused errant "not derived from BaseException" error if base class type was unknown.
Enhancement: Parser now reports error when "return" statement is used outside of a function.
Enhancement: Improved responsiveness of type completion suggestions.
New Feature: Add diagnostic for missing imported source file (reportMissingModuleSource).