The versioning shall consist of three elements:
- Major Version
M.u.f - Format Version
m.F.u - Fix Version
m.f.U
With Format being the Minecraft versions' Resource/Texture Pack Format version, and the other ones following semver
For example, in b1.7.3, the release is 1.0.0, because the Resource Pack Format didn't exist until 1.6. In the 1.6.1 version should be 1.1.0, as the Resource Pack Format version for 1.6.1 is 1.