createRAMDisk(name, diskSize)

Create a virtual disk in RAM for Mac OS X

create a Virtual drive in RAM to benefit from high writing and reading speeds
warning: all data will be erased on reboot
Works only for Mac OS X users
2 Inputs:
name: name of the virtual disk that will be created
diskSize : size of the disk that will be created, in Go
2 Outputs: returns the system response as "status" and "result"