aneurin/go-version

作者	SHA1 备注	提交日期
Aneurin Barker Snook	72e0de304e fix nil version comparisons, add equal func	11 月之前
Aneurin Barker Snook	33d31f84be add version constraints	11 月之前
Aneurin Barker Snook	cac475d2f2 fix nil version safety	11 月之前
Aneurin Barker Snook	01ca4b8660 improve version comments	11 月之前
Aneurin Barker Snook	1eb61f45ea add version package	11 月之前