Bump version to 1.0.0-*
Temporarily use Xunit.KRunner 0.1-*
Revert "Temporarily use Xunit.KRunner 0.1-*"

This reverts commit e1d36ed8094f01cdd990ce6ca38f2e701bafc02c.
Allow overriding the feed url
Rename K.cmd to k.cmd for consistency