Add match package
Add frame_ids for reducer
Use `reducer` to replace `prepare`
Provide way to config and log matchx
Simpler pdf reader path, pages
Move some common methods to base file
move matchx to matchhelper
Fix null frame feature error
Load feats with zero length
New match working
Use frame to match all slide
Speed up matching time
log format adjustment
Merge pull request #78 from speed-of-light/matcher_revisited

Matcher revisited