added some requirements.
create directories with execute bit for owner
removed binding.pry call
updated requirements in readme
enable starting and stopping of wallets

using start and stop actions
added autoconf requirement
added support for custom build commands
added some new coins

and a script to speed up creation of coins.
added a Vagrantfile

this is really just used for development.
added some error checking when shelling out.
working default values for attr_fields
litecoin has a default branch.
store all attr_fields that are created
also check if built executable is executable
don't reset HEAD, just reset hard.
added mega and min coin.
added worldcoin
litecoin's directory is 'litecoin''
support for sending commands to wallets
better dynamic coin calling

use a method-missing style thing.