rpush 4.0.0

• appraisal 2.5.0 >= 0

• byebug 12.0.0 >= 0

• cane 3.0.0 >= 0

• codeclimate-test-reporter 1.0.9 >= 0

• database_cleaner 2.1.0 >= 0

• modis 4.3.2 >= 2.0

• mysql2 0.5.7 >= 0

• pg 1.6.2 >= 0

• rake 13.3.1 >= 0

• rpush-redis 1.2.0 ~> 1.0

• rspec 3.4.0 ~> 3.4.0

• rubocop 1.81.7 >= 0

• simplecov 0.22.0 >= 0

• sqlite3 2.8.0 >= 0

• stackprof 0.2.27 >= 0

• timecop 0.9.10 >= 0