hshchk 0.1.0

A command-line file tree hash checker
Documentation
# To do

## 1
- overall progress
  - file and byte count when creating
  - completion info when verifying
- stats
  - how many files, total bytes, avg speed, etc.

## 2
- features
  - report mode (output to file or no ui progress)
  - update checksum file

## 3
- features
  - specify hash file
- error handling
  - inaccessible files and folders (lock, permission, etc.)
- additional tests