Tests for the ns2metadata function
New author/author_homepage/author_email metadata
Full TTL generation test with the diff.py example
Simple CLI ttl command for Turtle file generation
Namespace implicit preamble w/ audiolazy & consts
Fix default prefixes last char; Add a few comments
Add TestNS2Metadata.mdata_basics_tested (refactor)
New license metadata
Metadata.lv2class for choosing LV2 plugin classes