[ruby2.4]

[0] Fix | Delete

rake = 12.0.0

[1] Fix | Delete

rack = 1.6.4

[2] Fix | Delete

rdoc = 5.0.1.0

[3] Fix | Delete

psych = 2.2.2

[4] Fix | Delete

json = 2.0.4

[5] Fix | Delete

io-console = 0.4.6

[6] Fix | Delete

[7] Fix | Delete