Add experimental path caching
Fix enum
Use HOMEPATH instead of Path
Set right harness working directory
Minor fixes
Implement experimental caching
Generalize caching via parse_template
Switch from buffers to strings for Python
Refactor parse state; add per-thread/process cache
Add fixed_buffer constructor
Cache fixes
Fix caching test
Make options dict optional in Python
Document caching option
Unnest caching enum
Fix stream_template key_type
Fix python harness
Merge pull request #2 from ajg/path-caching

Implement caching