Fixed bank_id issue, correct ID are used.

xml2json sees the bank id's as oct numbers, used a quickfix in this
library.
Also applied zero padding because mollie needs them.
Better fix for the leading-zero-problem.

Now removing the before parsing them from xml to json.
Merge branch 'master' of https://github.com/koenbollen/nodejs-mollie into Issue_1

Conflicts:
	mollie.js
Rewrite intro comment
Replaced copyleft license with Unlicense

This is still public domain but with a disclaimer and better compatible with standards.
Fixed API error catching
Fixed ideal.banklist bug
Fixed ideal.banklist error handling
Merge branch 'refs/heads/master' into Issue_1

Conflicts:
	mollie.js