Don't reverse the hash again. Thx plddr!
Fix crash on unbound service
Handle 0 DOGE case properly
Show tx progress view
Handle SENDING state so we can transisition to SENT later
Add fees when sweeping

Calculate the fee by estimating the size of the signed
transaction

TODO: still missing approximately 18 bytes per input at the
moment, I have not attempted to hardcode those in.
Merge pull request #23 from patricklodder/sweep-fee

Sweep fee
Make everything work :)
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