Remove unused private code
Additional parameter checks and clearer exception messages
Updated API documentation
Clean up Migration Guide
Add user guide for the Template Expansion process (fixes #17)
Improved placeholder for Template Matching section of the user guide
Use static Regex methods instead of creating new Regex instances (fixes #42)
Merge pull request #44 from sharwell/performance

Use static Regex methods instead of creating new Regex instances
Merge pull request #43 from sharwell/usability

Usability