20210619a

• Implement >fix for FunctionNotSorted.
• Implement >check and >fix for OverrideNotSorted.
• Sort the items in a .lib file's namespace view and a .trim file alphabetically.
• Fix bug in Lexer.CheckVerticalSpacing and improve some Lexer code and comments.
• Fix bug: GetSpan failed to include leading keyword tags in function and data declarations.
• Fix bug when mapping between analog functions in a template and a template instance.
• Add an argument to Debug::noop as a way to defeat compiler folding.
• Define SoftwareInfo log for pre-release debugging.
• Enhance Editor and C++ item destructors so that an item can be deleted when its code is erased.
• Update the CodeFile members that track file dependencies when inserting or deleting an #include.
• Implement PosToItem for finding C++ items by file position.
• Create CxxVector.h for vector-oriented function templates.
• Change AddToXref to UpdateXref now that an item's references are removed when it is deleted.
• Change AddReference to UpdateReference now that an item's references are removed when it is deleted.
• >fix 103 f $files (FunctionNotSorted) after renaming the above functions.
• >fix 138 f $files (OverrideNotSorted) after renaming the above functions.
• Add extra braces to highlight calls to a function and its conjugate.
• Remove subs/csetjmp.