Allow failures for PyPy on Travis
Allow failures for PyPy on Travis

growingdever/bcrypt,alex/bcrypt,reaperhulk/bcrypt,dstufft/bcrypt,pyca/bcrypt,reaperhulk/bcrypt,pyca/bcrypt,growingdever/bcrypt,alex/bcrypt,reaperhulk/bcrypt,pyca/bcrypt,pyca/bcrypt,growingdever/bcrypt,reaperhulk/bcrypt,alex/bcrypt,dstufft/bcrypt