function transfer(address _to, uint256 _tokens_in_cents) public returns (bool) {
        require(_tokens_in_cents > 0);
        require(_to != msg.sender);
        getVested(msg.sender);
        require(balances[msg.sender] >= _tokens_in_cents);
        require(vested[msg.sender] >= _tokens_in_cents);

        if(balanceOf(_to) == 0) {
            investorCount++;
        }

        balances[msg.sender] = balances[msg.sender].sub(_tokens_in_cents);
        vested[msg.sender] = vested[msg.sender].sub(_tokens_in_cents);
        balances[_to] = balances[_to].add(_tokens_in_cents);

        if(balanceOf(msg.sender) == 0) {
            investorCount=investorCount-1;
        }

        Transfer(msg.sender, _to, _tokens_in_cents);
        return true;
    }