Bump version to 0.3.0
Bump version to 0.3.0

AdamCanady/schema,dylanninin/schema,werehuman/schema,lzjun567/schema,Liwink/schema,Abd4llA/schema,skorokithakis/schema,kurtbrose/schema,sjakobi/schema,bcaudell95/schema,a-saad/schema,keleshev/schema,jab/schema