Merge tag '0.1.9' into develop

Release 0.1.9

Changes:

624a7218 (HEAD -> master) Merge branch 'release/0.1.9'
f75ff79e (release/0.1.9) version bump
efab4b13 (origin/develop, develop) [feeds] allow to specify a different cer when not having BTS as collateral
ab8722f4 [wallet] store the wallet passphrase even if no key is inserted
46203796 [asset] ensure that assets are reloaded fully on requests
5faa4b46 [tests+consolidation] unit tests and consolidation with pypeerplays
5f129ed3 [memo] linting fix
e64523e1 [price] fix multiplication of prices
ff7178c1 [blockchainobjects] improve testing for objects ids
403d4b93 Merge pull request #17 from BTS-CM/pycryptodome
6182f957 [fix] minor fixes and assertions
05a77795 [transactionbuilder] ensure that operations are also available when waiting for tx to be included into a block
5b00f43b [worker] Allow to also list all workers
105a1610 [fund_fee_pool] new call
397098df [peerplays] refresh consistency between libraries
b19aae1a pycryptodome & readme updates
617959f2 [python3.5] syntax error fix
b274292d [broadcast] broadcast tx synchro
74daa4d2 [fix] forgot inheritance
964d2fab [operation] Bid_collateral
83c4b21f [cleanup] market, assets, blockchainobjects
68675d41 [bitshares] consistently revert collections.Iterable
171eaf91 [blockchainobjects] implement __contains__
2723c0c5 [bitshares] make the parameters iteratable no matter what
fb88cf7d [witness] Make sure we can also load witness names with two '.' inside
b439f202 [account] Make sure we can also load account names with two '.' inside
a86f98c6 [fix] remove uncessecary print()
e732615e [tests] update tests for prices.py
dc8197f5 [price] allow division of prices with identical assets
b3608e50 [blockchainobjects] Enabled 10 seconds general caching
0ab06319 [docs] added worker
e7fa7821 [price] Refactor mul and div and add test cases
0ff4bc07 [price] as_quote(), as_base() calls
513d4c31 [witness] fix refresh to also allow obtaining witness for account name
6769f96a [witness] fix the witness.refresh() call
eca83000 [blockchainobject] treat integer arguments differently (e.g. for block numbers in Block())
98cad943 [caching] Introducing caching and simplify blockchain objects
41d2f490 [tests] Allow to run tests against the cli-wallet too
d0da8fb4 [operations] finish accountcreation extensions
bb795b65 [operations] Add extensions to account_create and refactor Worker_initializer
1380de16 [amount] return a float,str tuple
4820caec [operationids] added missing fba_distribute
741c843e [vesting] load vesting from dictionary
17914742 [worker] Add worker end/begin date
a4a98b0e [ids] easier code for operations list
567c49fc [worker] let the worker begin 30 seconds after now, the earliest
d09a546d Fix market symbol split regexp.
a24cf1a3 Merge branch 'release/0.1.8' into develop
ed85b3e3 (tag: 0.1.8) [tests] fix worker_creation
8d1a9618 version bump
6939fc29 [setup] update dependency on graphenelib
cd149bef [asset] list settlements and call positions of an asset
78c2b0e5 [docs+call] worker_create
768804f3 [operations] create_worker_operation added
7b84f120 [improvements] do not look for keys multiple times when signing
a43419c8 [fix] account history with only_ops and exclude_ops
831e676d [fix] paths need to be escaped in doc
4add1d2b Merge branch 'release/0.1.7' into develop