Set nan dependency to <2.0.0 because of a breaking API change.
Set nan dependency to <2.0.0 because of a breaking API change.

unbornchikken/node-ffi,unrealsolver/node-ffi,skoky/node-ffi,craigcomstocks/node-ffi,craigcomstocks/node-ffi,node-ffi/node-ffi,pmuellr/node-ffi,node-ffi/node-ffi,craigcomstocks/node-ffi,node-ffi/node-ffi,Icenium/node-ffi,pmuellr/node-ffi,pmuellr/node-ffi,node-ffi/node-ffi,skoky/node-ffi,Icenium/node-ffi,pmuellr/node-ffi,skoky/node-ffi,Icenium/node-ffi,skoky/node-ffi,unbornchikken/node-ffi,unrealsolver/node-ffi,craigcomstocks/node-ffi,unrealsolver/node-ffi,Icenium/node-ffi,unbornchikken/node-ffi,unbornchikken/node-ffi,unrealsolver/node-ffi