Code hygine on wapt-get.py

* sort imports and remove unused datetime, local and shutil modules
* missing whitespace around operator
* split super long lines and make some parameters multilines
* add some whitespaces for clarity
* unused variable 'output' in def main()
Merge branch 'lint-wapt-get' of https://github.com/hashar/WAPT into hashar-lint-wapt-get

Conflicts:
	wapt-get.py