Change protection API to decouple clones from values
Test for https://github.com/codecombat/codecombat/issues/654
Test for https://github.com/codecombat/codecombat/issues/654 (now properly failing)
Slightly tweaked new prototype protection test.
Merge branch 'nerdbeere-master'
Fixed a problem with defaults clobbering function parameters due to bad cloning.
Release 0.2.17
Merge pull request #83 from devast8a/master

Change protection API to decouple clones from values
Added beautify-required import of escodegen.
Release 0.2.18
Moved back to old API protection scheme until we can figure out how to make the one from #83 work with multiple Aether instances.
Release 0.2.19