* moved wallet, server, lib into electrumx main module
* fixed imports and other path references affected by electrumx main package
* fixing formatting to pass the pycodetest on travis
* Implemented electrum_header for BTG to include solution (needed for validation on clientside)
Add RPC_PORT for BTG node
* Added node regtest compatibility
* Updated unittests
* Changed chunksize and regtest rpc port
* Changed bits transfer format to decimal
* Add testnet v3 params and corrected coin name
* Construct unpacking functions for byte format up front to save time
wasted on parsing format string every iteration.
* Store length ahead of time as the overhead adds up.
* Reduce object attribute lookups in hash functions.
* Clean up lib pkg API changes. Unit test new "public" API members.
Underscore prefix for internal hash module funcs. Make bytes.fromhex a
public function.
* Document recent performance findings.
It turns out clients pass 0.10 instead of 1.0 as the protocol version.
Distinguish some handlers for 1.0 and 1.1 protocols.
Log protocol version request
Add tests of new library function
