libswiften: separate shell commands
libswiften: separate shell commands

libswiften does not currently build due to an SSL certificate issue. This is unrelated to the changes in this commit. The updated tests run successfully on the bottled version of this libswiften.

Moisan/homebrew-core,dsXLII/homebrew-core,mbcoguno/homebrew-core,makigumo/homebrew-core,mfikes/homebrew-core,nandub/homebrew-core,lemzwerg/homebrew-core,rwhogg/homebrew-core,Moisan/homebrew-core,mahori/homebrew-core,jvillard/homebrew-core,mbcoguno/homebrew-core,nbari/homebrew-core,cblecker/homebrew-core,lemzwerg/homebrew-core,chrisfinazzo/homebrew-core,Linuxbrew/homebrew-core,lembacon/homebrew-core,Homebrew/homebrew-core,chrisfinazzo/homebrew-core,JCount/homebrew-core,dsXLII/homebrew-core,jabenninghoff/homebrew-core,sjackman/homebrew-core,nandub/homebrew-core,maxim-belkin/homebrew-core,lembacon/homebrew-core,uyjulian/homebrew-core,stgraber/homebrew-core,nbari/homebrew-core,lembacon/homebrew-core,uyjulian/homebrew-core,adam-moss/homebrew-core,spaam/homebrew-core,maxim-belkin/homebrew-core,mfikes/homebrew-core,JCount/homebrew-core,spaam/homebrew-core,filcab/homebrew-core,mahori/homebrew-core,mbcoguno/homebrew-core,filcab/homebrew-core,zyedidia/homebrew-core,sjackman/homebrew-core,cblecker/homebrew-core,rwhogg/homebrew-core,jvillard/homebrew-core,adam-moss/homebrew-core,Linuxbrew/homebrew-core,Homebrew/homebrew-core,stgraber/homebrew-core,jvillard/homebrew-core,jabenninghoff/homebrew-core,makigumo/homebrew-core,zyedidia/homebrew-core