upsert 2.9.10

• activerecord 5.2.8.1 ~> 5

• activerecord-import 1.8.1 ~> 1

• activerecord-postgresql-adapter 0.0.1 >= 0

• faker 3.5.1 >= 0

• mysql2 0.5.6 ~> 0.5

• pg 1.5.9 ~> 1.1

• pg-hstore 1.2.0 >= 1.1.3

• pry 0.15.0 >= 0

• pry-byebug 3.10.1 >= 0

• rake 10.5.0 ~> 10

• rspec-core 3.13.2 >= 0

• rspec-expectations 3.13.3 >= 0

• rspec-mocks 3.13.2 >= 0

• sequel 5.86.0 >= 0

• sqlite3 2.3.1 >= 0

• yard 0.9.37 >= 0