Add an input field on the single section to handle section classes
Clean the data saved in section classes as it is saved
Output entered section classes as part of section element
Refactor admin/single for readability
Reduce indent on HTML output in admin/single template
Abstract functionality for cleaning arbitrary strings of classes

We'll use this in more than one place
Add a section classes input to the columns admin template
Document save_blank() in builder.php
Clean the section-classes data passed to save_columns()
Output section classes on all front end templates
Add section classes to the H1 header templates
Add more documentation to the Spine_Builder_Custom class
Format the enqueue of edit-page.js to better match our style
Use spine_get_script_version() rather than the TTFMAKE constant
Additional documentation for the Spine Builder Custom class
Document and clean up spine_get_two_column_data()
Refactor h1-header admin template
Merge pull request #53 from washingtonstateuniversity/section-classes

[PR] Allow entry of arbitrary classes for sections