Added alias for shapeless._0 to shapeless.nat. Fixes #74.
Added alias for shapeless._0 to shapeless.nat. Fixes #74.

Atry/shapeless,fthomas/shapeless,wheaties/shapeless,lukasz-golebiewski/shapeless,khronnuz/shapeless,milessabin/shapeless,clhodapp/shapeless,liff/shapeless,tek/shapeless,lambdista/shapeless,joescii/shapeless,roberth/shapeless,alexarchambault/shapeless,malcolmgreaves/shapeless,triggerNZ/shapeless,notxcain/shapeless,TomasMikula/shapeless,isaka/shapeless