Fix indentation of fixnum_min
Fix raise message, maximum => minimum.
Merge pull request #13 from JuanitoFatas/patch/helpers

Fix indentation and raise message of fixnum_min
Add results and description for results and analysis

cc rails/rails#15347
Merge pull request #14 from zzak/patch-1

Add results and description for results and analysis
Merge remote-tracking branch 'origin/pr/11'

Conflicts:
	README.md
Bump to 2.0.0
Add benchmark_ips back as examples/simple.rb