use static for templates
Revert static methods to instance methods per discussion
Remove use of static instance inside formerly static template methods
Shortcut default coin selector when target = 0
External hook to extend TransactionBuilder.FindCoin
Merge pull request #43 from dthorpe/FindCoin_hook

External hook to extend TransactionBuilder.FindCoin
Merge pull request #42 from dthorpe/bug_default_coin_selector

Shortcut default coin selector when target = 0
Merge pull request #41 from dthorpe/use_static_template_instances

use static for script templates
Update Script Code to bitcoin core
Merge branch 'master' of https://github.com/NicolasDorier/NBitcoin.git