0.6.3 - Accessor overwrite warnings less aggressive

• #44 - Accessor overwrite warnings no longer print if function passed is the same (by reference)
• Fix to the Crossfilter dependency in package.json

0.6.2

Match NPM version

Custom reducers

0.6.0

0.6.0: Custom reducer functionality

0.5.4

0.5.4: CommonJS fix