Version v1.2.3

Version 1.2.2

Bump VERSION

Bump VERSION

Improve and optimize code

Reduce function call overhead
Implement tunable sidesum
Improve signature and checksum routines
Fix purge routine (keep oldest duplicate, instead youngest)
Sort import statements, fix missing, remove unused
Fix remove routine
POSIX_FADV support
Reduce cyclomatic complexity
Track inode in FileInfo
Check duplicates maxsize
Naming cosmetics
Progress callback support

Rewrite code to be amazing (2)

Update __init__

Bump VERSION

Fix travis deployment

Finalize VERSION