chore(release): 0.2.1

refactored segwit support

chore(release): 0.1.7

chore(release): 0.1.6

chore(release): 0.1.5

chore(release): 0.1.4

chore(release): 0.1.3

chore(release): 0.1.2

chore (release): v0.1.1

Adding alternative way to specify currency: by symbol. Changing API, …

…by moving testnet as separate param.