1.5.3

Changelog:

saddy

• Implemented copying values of sad::db::custom::Object (#70)

saddy-duktape

• Bumped built-in Duktape version to 1.4.0

atlasgen

• Removed Ruby implementation (#78)

ifaceed

• Implemented fast mode for placing a lot of similar objects, making them have a similar name (#56)
• Implemented command for spanning sprite or custom object between two points (#59)
• Improved recompilation time (#69)