Changelog
24cd624 Add test cases for FormatInOriginalFormat
d0b81fb Add test for FormatOutOfCountryCallingNumber
4e31d68 Add test for FormatOutOfCountryKeepingAlphaChars
abc1243 Add test for TruncateTooLongNumber
96cf361 Fix FormatInOriginalFormat for numbers with national prefix
10de21d Fix formatting of country code in out-of-country format
c017669 Fix panic due to calling proto.Merge on nil destination
91950a9 Merge pull request #40 from janh/fix-issue-39
acb5c50 Update CHANGELOG.md for v1.0.50