Add physics arg to set_block_at, add repair cost to itemmeta, add get_light_at, and is_block_powered. Fixed modifying item_spawn.
Merge pull request #124 from jb-aero/master

Lights, power, physics
Fixed failing unit test
Added url_encode/decode
Added the ability to add raw params data.
Fixed a NPE in WebUtility.
Added examples to url_encode/decode.
Added base64_encode/decode.

Added apache commons codec, and updated javadoc for CByteArray.
Hardcode sample output for non-constant functions.

This will prevent wiki updates from happening each time it is run, if not other changes were otherwise present.
Likely fix for bug 2708.
Added string_append. See API for usage.
Fixed a bug in the docgen code.
Merge branch 'master' of git://github.com/sk89q/commandhelper.git into backport-1.4.7