The blob no longer holds the entire obj process hostage while it sleeps.
The blob now respects its own growth limit. Fixes#11627.
Blobs still grow in an X-shape but this should now be much less distinct.
Remains of player blob axed.
blob_act() axed. Blob now has an arbitary set of things it can attack.
It will flow over everything else. Blob has an awful tendency to destroy
non-craftables.
Will test more tomorrow.
Blob will now attack mechs.
Fixes#8106.
Fixes#10705.