preValidate now accepts a hash of attributes in addition to a key/value. Closes #162 #170 and #177
msg attribute can be defined as both a function or a string. Closes #153
Validation property can be defined as a function. Closes #114
Added tests to verify that valid/invalid callbacks and selector are correctly overridden when all three are specified when binding
Fixed typo in test
You can now pass an optional model/collection when bindng. Closes #132
Bumped version to 0.8.2