added prefab date and time styles to RMQ::Format.date
test for frame  for #152
alias for  for #152
added warning for #152
moved whitelist to constant for more speed
Merge pull request #153 from GantMan/from_sides

assessing issue #152 - added `fl` and warning
Merge pull request #148 from vaughankg/date_time_formats

added prefab date and time styles to RMQ::Format.date
added .ios_at_least? method with tests
Merge pull request #154 from GantMan/version_at_least

added .ios_at_least? method with tests