Release 0.1.9

Changes:

624a721 (HEAD -> master) Merge branch 'release/0.1.9'
f75ff79 (release/0.1.9) version bump
efab4b1 (origin/develop, develop) [feeds] allow to specify a different cer when not having BTS as collateral
ab8722f [wallet] store the wallet passphrase even if no key is inserted
4620379 [asset] ensure that assets are reloaded fully on requests
5faa4b4 [tests+consolidation] unit tests and consolidation with pypeerplays
5f129ed [memo] linting fix
e64523e [price] fix multiplication of prices
ff7178c [blockchainobjects] improve testing for objects ids
403d4b9 Merge pull request #17 from BTS-CM/pycryptodome
6182f95 [fix] minor fixes and assertions
05a7779 [transactionbuilder] ensure that operations are also available when waiting for tx to be included into a block
5b00f43 [worker] Allow to also list all workers
105a161 [fund_fee_pool] new call
397098d [peerplays] refresh consistency between libraries
b19aae1 pycryptodome & readme updates
617959f [python3.5] syntax error fix
b274292 [broadcast] broadcast tx synchro
74daa4d [fix] forgot inheritance
964d2fa [operation] Bid_collateral
83c4b21 [cleanup] market, assets, blockchainobjects
68675d4 [bitshares] consistently revert collections.Iterable
171eaf9 [blockchainobjects] implement __contains__
2723c0c [bitshares] make the parameters iteratable no matter what
fb88cf7 [witness] Make sure we can also load witness names with two '.' inside
b439f20 [account] Make sure we can also load account names with two '.' inside
a86f98c [fix] remove uncessecary print()
e732615 [tests] update tests for prices.py
dc8197f [price] allow division of prices with identical assets
b3608e5 [blockchainobjects] Enabled 10 seconds general caching
0ab0631 [docs] added worker
e7fa782 [price] Refactor mul and div and add test cases
0ff4bc0 [price] as_quote(), as_base() calls
513d4c3 [witness] fix refresh to also allow obtaining witness for account name
6769f96 [witness] fix the witness.refresh() call
eca8300 [blockchainobject] treat integer arguments differently (e.g. for block numbers in Block())
98cad94 [caching] Introducing caching and simplify blockchain objects
41d2f49 [tests] Allow to run tests against the cli-wallet too
d0da8fb [operations] finish accountcreation extensions
bb795b6 [operations] Add extensions to account_create and refactor Worker_initializer
1380de1 [amount] return a float,str tuple
4820cae [operationids] added missing fba_distribute
741c843 [vesting] load vesting from dictionary
1791474 [worker] Add worker end/begin date
a4a98b0 [ids] easier code for operations list
567c49f [worker] let the worker begin 30 seconds after now, the earliest
d09a546 Fix market symbol split regexp.
a24cf1a Merge branch 'release/0.1.8' into develop
ed85b3e (tag: 0.1.8) [tests] fix worker_creation
8d1a961 version bump
6939fc2 [setup] update dependency on graphenelib
cd149be [asset] list settlements and call positions of an asset
78c2b0e [docs+call] worker_create
768804f [operations] create_worker_operation added
7b84f12 [improvements] do not look for keys multiple times when signing
a43419c [fix] account history with only_ops and exclude_ops
831e676 [fix] paths need to be escaped in doc
4add1d2 Merge branch 'release/0.1.7' into develop