• 141 adds performance improvements to coverage tracker for multi-threaded scenarios
• a189fc2 replaces Jil with JSON.NET for JSON serialization
• #147 adds support for instrumenting constructors
• 4efea75 ensures output filenames have extensions if non is specified
• #154 makes enumeration based MSBuild properties case insensitive
• #164 adds support for specifying include filters
• #169 adds slight improvement for coverage tracking performance