Addresses OpenSSL::Digest::Digest deprecation.
Fix code example for retrieving sent messages
#each is not a method on messages. It needs to be .list.each. As discussed here: #81
Enforce date formatting for Time params
Add example on how to decommission a phone number
…grium/ruby-jwt has been updated in master, but not released.
Update Rubinius build versions for Travis
Minor perf improvements