Merge pull request MyreMylar#660 from MyreMylar/overlap_theming

Add test 'border_overlap' theming to somewhat control overlapping of shapes and their borders

update to version 0.6.12

Merge pull request MyreMylar#599 from MyreMylar/draw-text-row-chunk-h…

…eight

Fix line spacing issues

Merge pull request MyreMylar#582 from MyreMylar/selection-fixes

Selection fixes

Merge pull request MyreMylar#449 from MyreMylar/add-tooltips-to-all

Expand tool tips to almost every element.

Merge pull request MyreMylar#388 from MyreMylar/document-text-entry-box

Add basic documentation for text entry box

Merge pull request MyreMylar#383 from MyreMylar/add-object-ids-to-but…

…ton-tool-tips

Expand create tool tip method w. parent element & ObjectID option

Merge pull request MyreMylar#365 from MyreMylar/fix-append-text-box

Fix bug in append text for text box

Merge pull request MyreMylar#345 from MyreMylar/update-to-3-11

Upgrade tests to use latest pygame

fix another slider bug.