Merge pull request #71 from ledgersmb/1.3

1.3
Fixed simialr bug to 1259 for invoices
Merge pull request #480 from einhverfr/1.3

correcting a few equality comparisons and adding a fix for invoices and shipto ids
Removing a sql query with invalid syntax
Changelog entry
Merge pull request #483 from einhverfr/1.3

Removing sql query that can't work
1.3-specific fix for 1262
Changelog update for 1262 fix
Merge pull request #489 from einhverfr/1.3

fixing 1246, overpayment with formatted numbers throws error
Fixing bug 1260
Merge pull request #494 from einhverfr/1.3

Fixing bug 1260
Merge pull request #43 from ledgersmb/1.3

1.3 - sync from central