PHP-classes for working with XML through system WebMoney

PHP-Class for working with WebMoney system through XML-interfaces
Requirements:
PHP5 with the connected CURL, registration in WebMoney with a certificate not lower personal
Features:
- Billing by one party (the store resource) to another party (the buyer) system.
- Transfer of funds from one purse to another.
- Obtaining transaction history on the wallet. Checking the operation to transfer funds between purses.
- Getting stories billed on the wallet. Checking the bill payment.
- Completion of the code-protected transaction. Entering protection code.
- Sending a message to an arbitrary WM-identifier for vnurenney mail WMT.
- Obtain information on the balance of purses.
- Get a list of invoices for payment.
- Getting information from the client certificate for the VM-ID.
- Return pending payment with patronage.
- Bezkomissionny refund to the sender