BioPerl script to mask a sequence

git remote -v
dbolser git@github.com:dbolser/bioperl-live.git
origin  git://github.com/bioperl/bioperl-live.git

[dbolser@nanna bioperl-live]$ git push dbolser
Warning: Permanently added the RSA host key for IP address '207.97.227.239' to the list of known hosts.
To git@github.com:dbolser/bioperl-live.git
 ! [rejected]        master -> master (non-fast forward)
error: failed to push some refs to 'git@github.com:dbolser/bioperl-live.git'
[dbolser@nanna bioperl-live]$ git push dbolser maste
error: src refspec maste does not match any.
error: failed to push some refs to 'git@github.com:dbolser/bioperl-live.git'
[dbolser@nanna bioperl-live]$ git push dbolser master
To git@github.com:dbolser/bioperl-live.git
 ! [rejected]        master -> master (non-fast forward)
error: failed to push some refs to 'git@github.com:dbolser/bioperl-live.git'