0.20.5
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* fix get_effective_vesting_shares()

* get_effective_vesting_shares() added to calculated max_mana correctly
* dict key words adapted to steemd for get_manabar() and get_rc_manabar()
* Voting mana fixed for 0 SP accounts
* comment_benefactor_reward adapted for snapshot
* Custom_json RC costs added to print_info

Account
* add comment, vote, transfer RC costs in account.print_info() and beempy power
* Shows number of possible comments, votes, tranfers with available RCs in account.print_info() and beempy power

RC
* add possibility to specify tx_size instead of constructing a dict for comment, transfer, vote and custom_json 

* get_rc_cost was added to steem to calculation RC costs from resource count

RC
* get_tx_size(), get_resource_count(), comment(), vote(), transfer() and custom_json() added

* estimated_mana is now capped by estimated_max
* print_info fixed()
* get_api_methods() and get_apis() added to Steem

* Improved get_rc_manabar(), get_manabar() output
* get_voting_power() fixed again
* print_info for account improved
* get_manabar_recharge_time_str(), get_manabar_recharge_timedelta() and get_manabar_recharge_time() added
* https://steemd-appbase.steemit.com added to nodelist

* Fully supporting hf20
* add get_resource_params(), get_resource_pool(), claim_account(), create_claimed_account() to Steem
* fix 30x fee for create_account
* add find_rc_accounts() to Blockchain
* get_rc(), get_rc_manabar(), get_manabar() added to Account
* get_voting_power() fixed

* witnessproperties is added to beempy for setting new witness parameter 
* witnessfeed uses the new witness_set_properties function when a wif is provided

RawString added to types
Some improvements and fixes

All parameter are packed now in a correct way
Correct operationid for Witness_set_properties

objects.Amount
* naming of symbol and asset improved

Add parameter for enabling usage of condenser_api  for broadcasting
Add ref_block_num and ref_block_prefix to constructTx for offline signing

Example for using offline signing is provided
Next release prepared

Fix unit test

CONSTANTS
* STEEM_REVERSE_AUCTION_WINDOW_SECONDS_HF20 added

Nodelist
* nodes information updated

Steem
* get_dust_threshold() improved and get_config used
* hardfork checks improved
* hardfork property improved by using get_hardfork_properties function

Changelog.rst added and Issue #80 fixed

Make vote rshare calculations HF20 ready

adding methods to claim and create discounted accouts

Remove non appbase nodes and related tests from all unit tests Improve blockchain.stream() for appbase