Merge pull request #42 from trialfire/master

add utf8 encoding of message body
Support CVV with leading zeroes

Trim whitespace from string values

Author: ericsimmerman <eric.simmerman@pascalmetrics.com>
Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>
change type for vat number to string
fix typo in invoice model and related tests
Merge pull request #46 from aluedeke/vat_number_correct_type

Vat number correct type
[maven-release-plugin] prepare release recurly-java-library-0.2.3
[maven-release-plugin] prepare for next development iteration