Merge tag 'release/v1.0.2' into development

Release v1.0.2

* tag 'release/v1.0.2':
  Version Bump to 1.0.2
Add Ruby Markdown code fencing to the README
Fix the `rdoc_options` specification in the gemspec
Fix overriding the progress bar length with an environment variable.
Rework #length specs now that we have a more complex set of specifications
Merge branch 'devwout-master' into development

* devwout-master:
  Rework #length specs now that we have a more complex set of specifications
  Fix overriding the progress bar length with an environment variable.
Replace .rvmrc with .ruby-version
Rework gem manifest so that it only calls ls-files once
Remove guard
Install rspectacular
Make changes related to rspectacular
Whitespace
Upgrade rake
Upgrade simplecov
Upgrade timecop
Update ruby-prof
Fix gemspec since Date.today is no longer supported
Make sure we're using an up-to-date version of the JSON gem
Add failing test for terminal width crashing progress bar
fix terminal width crashing progressbar