Rewriting add/remove owners/members to WG methods
Merge pull request #90 from MariuszT/pullable

Rewriting add/remove owners/members to WG methods
Fixed stupid line endings.
Don't declare functions to return concrete implementations if an interface is available.
Merge branch 'master' of github.com:sk89q/commandhelper.git
Merge pull request #91 from jb-aero/master

equipment api, and get_highest_block_at fix
Merge pull request #92 from EntityReborn/master

Crunchy goodness.