Results 2 issues of Ayush Anand

- Adds support for filter types referenced in [BIP158](https://github.com/bitcoin/bips/blob/master/bip-0158.mediawiki) & [BIP157](https://github.com/bitcoin/bips/blob/master/bip-0157.mediawiki) - Fixes the getblockfilter RPC message. Previously the RPC message implemented had the form `getblockfilter "hash"` however as per...

In the postprocessing script I think there should be an alignment before the refinement by nms as well? Because its possible that two table column objects may not overlap at...