Commands can be executed with bracket syntax, example: `getwalletinfo()`.
Commands can be nested, example: `sendtoaddress(getnewaddress(), 10)`.
Simple queries are possible: `listunspent()[txid]`
Object values are accessed with a non-quoted string, example: [txid].
Fully backward compatible.
`generate 101` is identical to `generate(101)`
Result value queries indicated with `` require the new brackets syntax.
Comma as argument separator is now also possible: `sendtoaddress,<address>,<amount>`
Space as argument separator works also with the bracket syntax, example: `sendtoaddress(getnewaddress() 10)
No dept limitation, complex commands are possible: