near-vm-runner-standalone 0.2.4

A command line wrapper around `near-vm-runner.` All error messages that can be raised during the contract execution are raised by `near-vm-runner` and the all effects of computing the execution result of a smart contract are encapsulated inside `near-vm-runner`. One can use `near-vm-runner-standalone` to test the smart contracts, e.g. with integration tests to make sure it has expected behavior once deployed to the blockchain.