Refactored form building/submitting logic.
And... fully working again.
Add a type column for use in distinguishing lists.
Newline.
Fix for Travis.
Merge pull request #30 from jordandukart/7.x-types

Update to include a type of list for future customization. Also add a hook_update to update existing lists.
Merge pull request #29 from adam-vessey/7.x-generalize

Refactor display, so as to be able to override things.
Major refactor, allowing branching based on our "column" value.
Update documentation.
Fix error left in while testing...
Fix more logicks...
Add flag indicating persistence of a list.
Fix an error in the docs...
Coding standards.
Make type available.
Allow for graceful deprecation of old "userList" and "pidList" properties.
Use our other methods when deleting lists.
Make some logic more concise.
Move around some form code so it should be easier to reuse.
Move form building/handling into bookmark class.

...  Now we can override!