set version to 0.14.4 (#30)

Merge pull request #27 from olned/hot-fix-0.14.2

0.14.2 fixed

Merge pull request #24 from olned/hot-fix-0.14.1

Hot fix 0.14.1

Merge pull request #21 from olned/cex.io

v0.14.0

Merge pull request #20 from olned/coinbase

Coinbase Pro added

Merge pull request #18 from olned/hit-fix-12-2

v0.12.2

Merge pull request #17 from olned/parser

books and parser added

Merge pull request #15 from olned/develop

L2 Bitfinex orderbook

Merge pull request #14 from olned/develop

Deribit order book

Merge pull request #13 from olned/develop

get_currencies and get_instruments