Regenerate gemspec for version 0.18.5
Regenerate gemspec for version 0.18.5

coderunner-framework/coderunner,coderunner-framework/coderunner,coderunner-framework/coderunner,edmundhighcock/coderunner,edmundhighcock/coderunner,edmundhighcock/coderunner,coderunner-framework/coderunner