[[ Bug 11458 ]] Ensure text size array element is converted to int4
[[ Bugfix 11511 ]] Fix for crash when retrieving contact

Contacts imported from Outlook into the iOS address book may contain fields with a nil label. The engine didn't check for this before attempting to compare the label to the list of known labels.
[[ Bugfix 11395 ]] Tweaked dot drawing to be a rect rather than a line.
Merge branch 'bugfix-11458' of https://github.com/runrevali/livecode into bugfix-11458
Merge branch 'bugfix-11395' into develop
Merge branch 'bugfix-11511' into develop
Merge branch 'bugfix-11458' into develop