Storage-stats

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Added
~~~~~
* Unit tests

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Added
~~~~~
* Enabled support for specifying multiple paths. Results are aggregated together by default unless --no-aggregation
flag is used

Fixed
~~~~~
* Corrected problems with writing to CSV files

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Changed
~~~~~~~
* Adjusted import lines to enable PyInstaller to work
* Updated README

Fixed
~~~~~
* Amended directory counting to cope with restricted permissions access to directories
* Ensured directory counting adheres to user specified directory recursion request
* Adjusted walk of directory so that symbolic links are not followed

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Added
~~~~~
* File extension mapping file to map between similar file extensions, e.g. .jpeg and .jpg
* CLI flag for preventing pre-counting of files in folder
* CLI flag for allowing the user to specify a list of similar file extension mappings

Changed
~~~~~~~
* File extensions are converted to lowercase
* Updated README

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Added
~~~~~
* Single-source versioning via __init__.py
* Added ability to print out program version via CLI

Changed
~~~~~~~
* Improved tabular command line output

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Added
~~~~~
* Initial scan of folder to provide scope for progress bar

Changed
~~~~~~~
* Now using scandir for faster processing of folder