Drop jeweler dependency.
Drop jeweler dependency.

MalachiTatum/github,joshsoftware/github,yaoxiaoyong/github,peter-murach/github,anabhilash619/github,samphilipd/github,firstval/github,piotrmurach/github,befairyliu/github,cocktail-io/github,wicky-info/github,GistBox/github,davengeo/github,durai145/github