Merge pull request #21 from ledgersmb/1.3

1.3
Merge pull request #24 from ledgersmb/1.3

1.3
Fixing sales tax rounding issue

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extra : source : 48a3ae93aed11e2055fc9525e3b1e4a89ec16cf1
Changelog update
Merge pull request #145 from einhverfr/1.3

Sales tax rounding fix for certain cases