* Initial draft of the neo-go wallet
* Cleanup + more test for util package
* integrated wallet into neo-cli partially
* base wallet implementation + smartcontract code.
* Print proper error messages while using contract subcommands and also exit with status code 1.
* Make -in a flag, also remove dot from avm extension.
* Work on feedback by Anthony.
* Update README and VERSION
* refactor to use ast.Walk for recursive converting
* added lots of test cases
* added a new way to handle jump labels
* function calls with multiple arguments
* binary expression (LOR LAND)
* struct types + method receives
* cleaner opcode dumps, side by side diff for debugging test cases
