Rename Gem to bitvector
Get require names right
Drop Gemfile.lock

Don't check in for gem development.
Load from blank strings
Improve documentation
Add benchmarks
Reverse array order
Change representation
Make reader public
Move tests to spec
Clean up let blocks
Permit different vector sizes

Use 32 as the default size.
Merge pull request #1 from xymbol/change-representation

Change representation
Rename gemspec

Drop leftover pkg folder.
Merge pull request #2 from xymbol/rename-gemspec

Rename gemspec