Make rustcheck compile on 0.9-pre  (b5bab85 2013-12-04 23:26:19 -0800)

Update obsolete closure type
Remove glob imports
Make functions from rustcheck public
Replace float by f32
Basic implementation for for_all
Merge pull request #6 from divarvel/0.9-pre-compat

Make rustcheck compile on 0.9-pre  (b5bab85 2013-12-04 23:26:19 -0800)