start of changelog for 0.40
start of changelog for 0.40

seibert/numba,stuartarchibald/numba,gmarkall/numba,sklam/numba,jriehl/numba,stuartarchibald/numba,numba/numba,sklam/numba,numba/numba,seibert/numba,jriehl/numba,sklam/numba,stonebig/numba,jriehl/numba,IntelLabs/numba,gmarkall/numba,IntelLabs/numba,gmarkall/numba,numba/numba,IntelLabs/numba,stonebig/numba,gmarkall/numba,numba/numba,IntelLabs/numba,stonebig/numba,cpcloud/numba,stonebig/numba,cpcloud/numba,cpcloud/numba,stuartarchibald/numba,seibert/numba,sklam/numba,stonebig/numba,IntelLabs/numba,gmarkall/numba,sklam/numba,jriehl/numba,numba/numba,stuartarchibald/numba,seibert/numba,jriehl/numba,stuartarchibald/numba,cpcloud/numba,cpcloud/numba,seibert/numba