v1.1
Require sending __FILE__ when instantiating
Allow plugins to hook into settings to add tabs / fields
Git rid of namespaces
Public load_option function
PHP doc blocks and formatting
Fix loading defaults
Readme update
Make hooks dependent on plugin id
Make select2 optional, false by default
Merge $_GET when linking tabs
Description on select, close #4
Make css smaller
New: Support for multiselect

Maybe make this a multiselect type, rather than a multiple attr
Maybe unserialize on get_option
Better radio checked()
Rename $value to $setting to prevent conflict in settings_options_format()
Multiple checkbox array
Better checkbox checked()
Fix table markup, & flexible header_types