Merge pull request #17 from jmpage/master

Master into develop
Ignore changes if new value is just string version of old value
Merge pull request #19 from cddr/coerce-id-strings-to-ints

Ignore changes if new value is just string version of old value
Release v0.4.4
Merge pull request #21 from jmpage/release/v0.4.4

Release/v0.4.4