Turbine 0.9.0

Changes:

• Support record components when reading records from the classpath (#356)
• Skip ErrorTypes in Types#directSupertypes for compatibility with javac (#358)
• getLowerBound() should return NULL instead of NONE for variables without a lower bound (#357)
• Type tests should return true for error types, for compatibility with javac (#359)
• TypeMirror#toString should include type annotations for primitive types (#360)
• Optimize SimpleTopLevelIndex (#353)

Full changelog: v0.8.0...v0.9.0