Allow script as tx output.
Add test cases for strings.
Added coinvault support
Reverse-engineered coinvault priv files
bci.py PEP8 compliant
Added helloblock pushtx
Add stealth address support.
Merge pull request #34 from christianlundkvist/basic_stealth_pull_req

Stealth address support
Merge pull request #31 from christianlundkvist/script_outputs

Add ability to use script outputs in mktx()