Add support for pain.001.001.03 Credits
Fixed Typo
fixed <CtgyPurp> for pain.001.001.03 and pain.001.002.03
Added InstrId for pain.001.001.03 and pain.001.002.03
Merge pull request #35 from ETSGlobal/support-pain00100103-credits

Add support for pain.001.001.03 Credits