Version bump to 0.18.3.pre
Variables that have been deleted are kept visible on designs until a user explicitely removes the variable from the design
Design editor now contains a highlight effect to show what area of the design was added or updated
Existing variables are now alphabetized on the "Select Existing Variables" list while editing a design
Existing domains are now alphabetized on the "Use Existing Domain" list while editing a variable domain on a design
Inserting a new section or variable now allows any part of the new variable/section box to be selected
Variable display name explanation and example added when creating and editing variables on a design
The list of variables is now alphabetized on the domain show page
Version 0.18.3 finalized