Added support for URI's for files

• Now recognize URI's in the form local:path/to/file
• An optional URI handler can be passed in to resolve such URI's.

Bugfix: Handling of duplicates in lists defined in the GUI

• Roundoff in floating point numbers caused some duplicates to be missed. The code now checks for duplicates in a more robust way. This affected lists in the GUI, such as the points in an Energy Scan step.

Added utility for handling list definitions

• Add list_definition.py with parse_list()
• Updated makefile for doctests.

Removed debug printing left accidentally

Merge pull request #55 from molssi-seamm/dev

Removed debug printing.

Moving user preferences to ~/.seamm.d

• To better support Docker, moving ~/.seammrc to ~/.seamm.d/seamrc
• Moved seamm.ini from ~/SEAMM to ~/seamm.d since it only contains personal preferences.

Internal update

• Versioneer needed to be updated to account for changes in configparser.

Updated for changes in Zenodo

• Zenodo updated and made small changes to their API, which required changes in SEAMM.
• Consolidated all private information about the user and their keys for Zenodo in ~/.seammrc

Added more unit conversions to support thermochemistry

• added E_h/K --> kJ/mol/K

Adding units to support Buckingham potentials

Merge pull request #50 from molssi-seamm/dev

Adding units to support Buckingham potentials

Add Compact JSON Encoder

Added a Compact JSON Encoder to make schema-like JSON more human-readable