You now get code coverage when running this.  Current code coverage is 52.27%.
Running this now gives you code coverage.  It turns out that to
get code coverage, require 'spec_helper' has to be the first
require in the file.  If it's not the first, you don't get code
coverage numbers.  Code coverage with this set of tests is
currently 15.75%.
Running this now gives you code coverage.  Turns out that to get code
coverage numbers, require 'spec_helper' has to be the first require.
If it's not the first require: no code coverage.  Coverage for this
file is currently 86.21%.
Added new test cases; code coverage now 70.08%.
Minor addition to comments.
Fixed comments for the get_head method.
Changed a number of test cases to reflect the (effectively) 1-based
indices returned by get_head.  A number of tests now pass that were
previously failing.
Merge branch 'master' of https://github.com/lodqa/lodqa