Merge pull request #59 from 45rpm/develop

Deprecate unused functions
Merge pull request #60 from CounterpartyXCP/develop

Develop
[#55] add 'quote_asset' and 'order_by' args  to get_markets_list() method
Merge pull request #61 from CounterpartyXCP/develop

[#55] add 'quote_asset' and 'order_by' args  to get_markets_list() metho...
Code for serving extended asset info