v1.1.0

concurrent-ruby:

• requires at least Ruby 2.0
• Promises
  are moved from concurrent-ruby-edge to concurrent-ruby
• Add support for TruffleRuby
  • (#734) Fix Array/Hash/Set construction broken on TruffleRuby
  • AtomicReference fixed
• fixed documentation and README links
• fix Set for TruffleRuby and Rubinius
• CI stabilization
• remove sharp dependency edge -> core
• remove warnings
• documentation updates
• Exchanger is no longer documented as edge since it was already available in
  concurrent-ruby
• (#644) Fix Map#each and #each_pair not returning enumerator outside of MRI
• (#659) Edge promises fail during error handling
• (#741) Raise on recursive Delay#value call
• (#727) #717 fix global IO executor on JRuby
• (#740) Drop support for CRuby 1.9, JRuby 1.7, Rubinius.
• (#737) Move AtomicMarkableReference out of Edge
• (#708) Prefer platform specific memory barriers
• (#735) Fix wrong expected exception in channel spec assertion
• (#729) Allow executor option in Promise#then
• (#725) fix timeout check to use timeout_interval
• (#719) update engine detection
• (#660) Add specs for Promise#zip/Promise.zip ordering
• (#654) Promise.zip execution changes
• (#666) Add thread safe set implementation
• (#651) #699 #to_s, #inspect should not output negative object IDs.
• (#685) Avoid RSpec warnings about raise_error
• (#680) Avoid RSpec monkey patching, persist spec results locally, use RSpec
  v3.7.0
• (#665) Initialize the monitor for new subarrays on Rubinius
• (#661) Fix error handling in edge promises

concurrent-ruby-edge:

• (#659) Edge promises fail during error handling
• Edge files clearly separated in lib-edge
• added ReInclude
• add Promises.zip_futures_over_on