Add/check test coverage

[spencercorwin]

• [ ] New generate command in the CLI (master and master-2.x branches)
• [ ] New --typescript flag option in the CLI (master and master-2.x branches)
• [ ] New --configPath option in the CLI (master and master-2.x branches)
• [ ] Tests for failing transactions. We should have test coverage to coverage every possible failure case when forming a transaction so that we know transactions fail when... there is no witness, bad witness, etc. (client)
• [ ] New Manifest builtin (compiler)
• [ ] Tests for the compiler processing the properties property and producing a correct manifest
• [ ] contract.test.ts in compiler
• [ ] disassembleByteCode.test.ts
• [ ] UpgradeHelper.ts in compiler
• [ ] Blockchain.currentCallerContract