change version number to 1.4.0dev
change version number to 1.4.0dev

The 0 at the end is required for npm install to work properly.

biasmv/pv,Traksewt/pv,CyrusBiotechnology/pv,CyrusBiotechnology/pv,CyrusBiotechnology/pv,Traksewt/pv,biasmv/pv,yuhangwang/pv,CyrusBiotechnology/pv,biasmv/pv,yuhangwang/pv,yuhangwang/pv,Traksewt/pv,Traksewt/pv,biasmv/pv,yuhangwang/pv