fixed, 0 BTC is correct value to send
Fix misplaced word "though" in the phrase "Though centralized implementations". Use a semicolon to break up a long sentence. Attempt to clarify some phrases using different words.
Typo fix, s/pubic/public/
Changing '0 or more coins' to 'not negative' to avoid confusino that a whole bitcoin must be sent
Merge branch 'wlk-fix-issue-145' into develop
Merge branch 'develop' of https://github.com/cgodley/bitcoinbook into cgodley-develop
Reverting to some of the original language which I think was pretty good as it was, but keeping the other good edits
Merge branch 'cgodley-develop' into develop
Merge pull request #150 from joflynn/develop

Typo fix, s/pubic/public/