Tags 1.4.4 upto 1.4.6 not present in git

[Niklaus Giger]

Hi

I recently wanted to switch to the 1.4.6 of buildr in my local git checkout, 
but was unable to do so. Only tags up to 1.4.3 are present.

Would it be difficult to add these tags?

Thanks in advance.

Best regards

-- 
Niklaus Giger