bin/xbps-create: allow to define the reverts field for a package.
bin/xbps-create: allow to define the reverts field for a package.

datenwolf/xbps,datenwolf/xbps,stpx/xbps,datenwolf/xbps,ebfe/xbps,stpx/xbps,ebfe/xbps,stpx/xbps,ebfe/xbps