Fixes an issue where non-string primitives weren't compiled into Intl.complete.js
HTML tests no longer include a static version of Intl.complete.js
Removed test262 python-based test suite
Delete obsolete test data after building test pages
Remove impossible-to-pass parts of _L15 tests
Advanced version to 0.1.0, updated README to brag about test results
Corrected CLDR version in README.md (closes #47)