testing: added a rake task (test:unit:binarysearch) that aids in identifying conflicts between two tests (for example, when a test works in isolation but fails when run with others).
testing: added a rake task (test:unit:binarysearch) that aids in identifying conflicts between two tests (for example, when a test works in isolation but fails when run with others).

elijh/crabgrass-core,elijh/crabgrass-core,elijh/crabgrass-core