Initial commit
+ added initial API files
* renamed api to ucoin
* README.md: installation procedure
* README.md: minor
* README.md: minor
* README.md: minor
+ added new GET requests, I finished to add all the get request described from the HTTP API of ucoin
+ added config support
* README.md: minor
* added logging and added wrapper around get and post in api interface class in order to sign data before posting them
* added a wrapper Response class in order to handle signed messages
* updated get and post prototype in order to welcome data parameter
* finished to implement post requests into the API
* added subcommands
* ucoin/pks/__init__.py: added op support in lookup request
* added lookup and peering subcommands
* added issue, transfer and fusion subcommands
* ucoin/hdc/transactions/__init__.py: process returns json
* README.md: minor