reverse invoice
Merge remote-tracking branch 'upstream/master'
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Merge remote-tracking branch 'upstream/master'
Merge pull request #57 from kiranhugo/master

Cleanup in configuration
disconnect credit cleanup
after tax conflict
Merge pull request #58 from Ranjith15/master

after conflict & disconnect credit
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Merge remote-tracking branch 'upstream/master'
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Merge pull request #59 from kiranhugo/master

done some changes related to transactionhistory
get method added in itemdetailsapi for retreiving itemdetails using serial number
Merge pull request #60 from raghuvissu/master

get method added in itemdetailsapi for retreiving itemdetails using seri...