- moves Cip68 support to developer side (use enum::Variant{data: mStruct})
 - combines earlier commits into one

 - undo attempt to export test/utils.js
 - moved pre-push-hook install out of "post-install"
   (was happening at downstream client-install time)
   ... added to before-tests to make it more likely to happen magically
 - removed .only modifiers on test cases

# Conflicts:
#	src/statements/StructStatement.js

 - added eval() results to factoried runner return in utils: compileForRun()
 - added tests for logged details
 - warnings and errors show field names
 - mStruct tests look for specific log entries, not just "it errors when..."
 - mStruct equality tests changed to not use ::from_data() (optimized version)