Fixed items being replaced when used not being handled properly in robots (e.g. buckets), closes #279.
Merge branch 'master' of github.com:MightyPirates/OpenComputers into MC1.7
Fixed http request persistence.
Fixed repeated userdata persistence.
Fixed internet.request not blocking when no data was available.
Merge branch 'master' of github.com:MightyPirates/OpenComputers into MC1.7