Update vtdirect end point
merge faisal's pull request
version upgrade to 1.2.4
Merge pull request #4 from panggi/master

version upgrade to 1.2.4
add bank and mandiri clickpay params
Merge remote-tracking branch 'upstream/master'
gem version 1.2.5
add payment_methods param
Merge pull request #5 from panggi/master

bank and payment_methods params
Restructure params and add version