Create module codec.py
Create module script.py
Create module handler.py
Add class Handler
Add class HandlerChain
Add function safename_encode
Add function safename_decode
Add class SafenameCodec
Add class SafenameIncrementalEncoder
Add class SafenameIncrementalDecoder
Add class SafenameStreamReader
Add class SafenameStreamWriter
Add function safename_search
Register codec safename
Add function safename
Add entry-point safename for group console_scripts
Add more classifiers
Update URL