Fix display of create and issue asset operations

The wallet was not displaying the transactions for creating and issuing
assets correctly. Now it does.
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Fix bounds check when issuing asset
Queue correct delegate registration fee for release

Add code to calculate and return correct delegate fee registration, but
leave it disabled until we update the blockchain version to >104
Add delegate pay rate to get_info
Schedule update to delegate and asset registration fees

See also e69e24a9d7f6511745a87440adf24c0130fe5bba
yield while loading wallets, prevent hangs
Don't re-open wallet if it's already open

If user runs wallet_open on the wallet he currently has open, do
nothing.
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Do not allow asset precision of 0 whichs results in an infinite supply
Add wallet_get_pending_transaction_errors
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Write logs in dedicated subdirectories
Improve blockchain_list_assets pretty-printing