expose the materials enum
Release 0.0.30
only stationary water has a negative effect on digging
digging: don't crash if you dig another block while digging

instead just stop digging and dig the new block.
in creative, dig time is 0
digging interuption error has a code
Release 0.0.31
digging: fix crash when not holding a tool
Release 0.0.32
Merge remote-tracking branch 'upstream/master'
add scripts for parsing the recipes from the wiki