some small bug fixes

Release of next version 0.19.5 prepared

print_info added
voting_power, steem_power, get_voting_value_SBD, get_recharge_time, get_followers, get_following, get_bandwidth, interest added
The following operations were added:
unfollow, follow, update_account_profile, approvewitness, disapprovewitness, update_memo_key, transfer, transfer_to_vesting, convert,
transfer_to_savings, transfer_from_savings, transfer_from_savings_cancel, claim_reward_balance, delegate_vesting_shares, withdraw_vesting
Comment:
The following operations were added:
upvote, downvote, vote, edit, reply, comment_options, post, resteem
Discussion
all possible discussion_by_... functions were added.
Market
volume24h, orderbook, trades, market_history, accountopenorders fixed or added
buy, sell, cancel fixed
steem
register_api
refresh_data added
get_dynamic_global_properties, get_feed_history, get_reward_fund, get_current_median_history_price, get_next_scheduled_hardfork, get_hardfork_version, get_network,
get_state, get_config  moved from blockchain
steem_per_mvest, vests_to_sp, sp_to_vests, sp_to_sbd, sp_to_rshares, get_median_price, get_payout_from_rshares
custom_json added
utils
make_patch added
witness
feed_publish and update added

 * reputation added
* history improved and fixed
block:
* ops and ops_statistics added
blockchain:
* function-names improved
* ops_statistics added
blockchainobject
*json export added
Comment class added
Discussion class added
steem:
* follow and account by key api added and fixed
storage:
* more nodes added
utils
* Helpfunctions added
 vote
* blockchainobject
* refresh fixed
wallet
* purgeWallet added
Witness
* printAsTable function added
* WitnessesVotedByAccount added
* WitnessesRankedByVote added
* WitnessesByIds added
* LookupWitnesses added
Steemnoderpc
* register_apis fixed
test_wallet
* unit tests added
test_utils
* unittests added

More unit tests added
Some bug fixes

commitee and worker removed

accounts works now
amount and assests are fixed