func: function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
  		totalSupply_ = totalSupply_.add(_amount);
  		balances[_to] = balances[_to].add(_amount);
  		emit Mint(_to, _amount);
  		emit Transfer(address(0), _to, _amount);
  		return true;
      }