Typo in the `mtrand.pyx` was fixed
Typo in the `mtrand.pyx` was fixed

`ValueError` about negative dimension was lowercased.

pbrod/numpy,simongibbons/numpy,anntzer/numpy,endolith/numpy,jakirkham/numpy,madphysicist/numpy,pdebuyl/numpy,anntzer/numpy,grlee77/numpy,mhvk/numpy,WarrenWeckesser/numpy,abalkin/numpy,mhvk/numpy,jakirkham/numpy,madphysicist/numpy,pdebuyl/numpy,madphysicist/numpy,pdebuyl/numpy,numpy/numpy,simongibbons/numpy,jakirkham/numpy,pbrod/numpy,pdebuyl/numpy,mattip/numpy,anntzer/numpy,anntzer/numpy,jakirkham/numpy,charris/numpy,madphysicist/numpy,numpy/numpy,abalkin/numpy,seberg/numpy,rgommers/numpy,simongibbons/numpy,grlee77/numpy,endolith/numpy,pbrod/numpy,madphysicist/numpy,mhvk/numpy,WarrenWeckesser/numpy,rgommers/numpy,grlee77/numpy,rgommers/numpy,charris/numpy,WarrenWeckesser/numpy,WarrenWeckesser/numpy,mattip/numpy,grlee77/numpy,seberg/numpy,WarrenWeckesser/numpy,charris/numpy,abalkin/numpy,seberg/numpy,grlee77/numpy,endolith/numpy,mattip/numpy,mhvk/numpy,endolith/numpy,numpy/numpy,seberg/numpy,simongibbons/numpy,numpy/numpy,mhvk/numpy,pbrod/numpy,jakirkham/numpy,pbrod/numpy,mattip/numpy,simongibbons/numpy,charris/numpy,rgommers/numpy