Move to rspec 2.99.beta1
update all tests to "expect" format and remove deprecation warnings from Rspec 2.99.0.beta1
update tests in docs to "expect" format

update new test to expect format

update new tests
alias be_truthy/falsey if not already defined
make example work on RSpec 2 and 3
use rspec 3 beta
keep master changes up to date for rspec 3
rspec 3beta1 and fuubar update