fixed error detection in Cursor::each
Merge branch 'ql-refactor' of github.com:rethinkdb/rethinkdb into ql-refactor
made btree.cc error checking logic more explicit
Merge branch 'ql-refactor' of github.com:rethinkdb/rethinkdb into ql-refactor
fixed coercions
fixed implicit variable in update
merged
fixed stupid crashing bug in `update`
merge