Release v1.6.0-alpha.1

Should fix stupid npm issue where prelease was incorrectly marked at `latest`.

Release v1.6.0-alpha.0

Release v1.5.1

Should fix stupid npm `latest` tag conflict with the alpha prerelease.

Release v1.5.0

Release v1.4.1

Release v1.4.0

Release v1.3.1

Update dist again for v1.3.0

Release v1.2.4

Fix render errors for all numeric value types (not just integers)

Resolves jakezatecky#81.