Reset indentation after a completed input block.
Reset indentation after a completed input block.

This will close issue #27.

kdart/bpython,thomasballinger/old-bpython-with-hy-support,wevial/bpython,myint-archive/bpython,aktorion/bpython,hirochachacha/apython,kdart/bpython,wevial/bpython,aktorion/bpython