Enhance version checking & notification
Add dummy colorama support

It's a nice feature if you've got it, but if you don't it's not worth
making a hard dependency of it.
Add indirection for command-line functions
Replace string and conditional with func reference
Rename options to args at top level
Add "furl" to abstract prepending API URL
Add wrapper for requests.get to abstract details
Use new-style string formatting
Add get_json wrapper for improved error reporting
Handle case of org-less boards and move display up

Rather than putting display/presentation down at the level where data is
being acquired, move it up to the cmd-level.
Move display for org list up too
Automatically open browser for auth token if possible
Add ability to list cards
Add ability to list lists
Add rough ability to show a card
Add post method to correspond with get
Add rough ability to copy cards
Add pprint import; required for card show currently
Add rough ability to show a list