v0.5.0 - Level Object Editing!

This release allows modification of level content - the level objects - in shocked-client! Add new objects, change their properties, and remove objects from levels.

Modification of object properties covers most of the currently known (documented) properties. Some more complex properties are still only handled as arbitrary numbers. Their handling will come at a later point.

Also, starting with this release, user documentation for the editor will be written, and extended, here: https://github.com/inkyblackness/shocked-client/wiki