Fixed India zip code regex. Address #939.
Merge pull request #940 from thomasgriffin/master

Fix for India Zip Code
Fixed bug in edd_verify_download_link(). 41
Merge branch 'master' of github.com:pippinsplugins/Easy-Digital-Downloads
Added 1.4.4.3 changelog
Fixed absolute path bug in process-download.php. Closes #942