feat: allow dot in tag name
Add test for dots in tag name
Merge branch 'pr-35'
Do not render templates that have the same content

As a side-effect, this also prevents commands from executing when the
resulting template is the same as the one on disk.
Merge pull request #39 from hashicorp/sethvargo/no_write_template

Do not render templates that have the same content
Fix formatting on usage alignment
Fix flag help output
Update Makefile
Release v0.1.1
Add json type
Clean up
Correct file regex
Fix looping
Split file reading and json parsing
Make tests
Docs
Fix formatting
Fix small issues with errors
Fake metadata from file
Correct docs