zold 0.16.21

• backtrace 0.3.0 = 0.3.0

• concurrent-ruby 1.1.2 = 1.1.2

• cucumber 3.1.2 = 3.1.2

• diffy 3.2.1 = 3.2.1

• futex 0.3.1 = 0.3.1

• get_process_mem 0.2.3 = 0.2.3

• json 2.1.0 = 2.1.0

• openssl 2.1.2 = 2.1.2

• posix-spawn 0.3.13 = 0.3.13

• rainbow 3.0.0 = 3.0.0

• rake 12.3.1 = 12.3.1

• rubocop 0.60.0 = 0.60.0

• rubocop-rspec 1.30.1 = 1.30.1

• semantic 1.6.1 = 1.6.1

• sinatra 2.0.4 = 2.0.4

• slop 4.6.2 = 4.6.2

• sys-proctable 1.2.1 = 1.2.1

• thin 1.7.2 = 1.7.2

• threads 0.3.0 = 0.3.0

• usagewatch_ext 0.2.1 = 0.2.1

• xcop 0.6 = 0.6

• zache 0.3.1 = 0.3.1

• zold-score 0.2.2 = 0.2.2