0.3.3 - Asynchronous Coverage

Features

• Add if expressions support to expression analyzer
• Add await support to expression analyzer
• Add yield and yield from support to expression analyzer
• Add asynchronous functions and methods support

Bugfixes

• Cleanup orphaned directories after glob iteration to avoid OSError
• Simplify main class name lookup
• Fix potential error in comment docstring discovery
• Fix force output path creation if file exists with expected directory name