JC Lib 0.7.99 regression log

OK - package.json version updated to 0.7.99.
OK - save snippet command title renamed to JC Lib : save as snippet.
OK - insert snippet command title kept as JC Lib : insert snippet.
OK - built-in C++ snippet tree renamed from MY Util to Utility.
OK - runtime JavaScript syntax validation passed.
OK - snippet folder browser validation passed.
OK - generated webview scripts validation passed.
OK - main explorer tree validation passed.
