Parses BANKMSGSRSV1 message set for bank account data.

• :account_number
• :balance
• :balance_date Date representation (i.e. ~D[2017-01-27])
• :currency 3 letter ISO-4217 currency identifier
• :generic_type simple representation of the type (i.e. MONEYMRKT generic is SAVINGS)
• :positive_balance some cases may strictly require a positive balance amount
• :request_id
• :routing_number
• :status_code
• :status_severity
• :transactions parsed transactions formatted with Ofex.Transaction
• :type

Sample BANKMSGSRSV1 message set:

<!-- <BANKMSGSRSV1> --> <!-- Top tag parsed out previously -->
    <STMTTRNRS>
        <TRNUID>0</TRNUID>
        <STATUS>
            <CODE>0</CODE>
            <SEVERITY>INFO</SEVERITY>
        </STATUS>
        <STMTRS>
            <CURDEF>USD</CURDEF>
            <BANKACCTFROM>
                <BANKID>019283745</BANKID>
                <ACCTID>00000000012345678910</ACCTID>
                <ACCTTYPE>CHECKING</ACCTTYPE>
            </BANKACCTFROM>
            <BANKTRANLIST>
                <DTSTART>19700101120000</DTSTART>
                <DTEND>20170127120000</DTEND>
                <STMTTRN>
                    <TRNTYPE>DEBIT</TRNTYPE>
                    <DTPOSTED>20170123120000</DTPOSTED>
                    <DTUSER>20170123120000</DTUSER>
                    <TRNAMT>-7.0</TRNAMT>
                    <FITID>0192947576930</FITID>
                    <NAME>This is where the name is</NAME>
                    <MEMO>This is where a memo goes</MEMO>
                </STMTTRN>
                <STMTTRN>
                    <TRNTYPE>CREDIT</TRNTYPE>
                    <DTPOSTED>20170120120000</DTPOSTED>
                    <DTUSER>20170120120000</DTUSER>
                    <TRNAMT>372.07</TRNAMT>
                    <FITID>019274659302</FITID>
                    <NAME>BUYING ALL THE THINGS</NAME>
                    <MEMO>#YOLO</MEMO>
                </STMTTRN>
                <STMTTRN>
                    <TRNTYPE>CHECK</TRNTYPE>
                    <DTPOSTED>20170113120000</DTPOSTED>
                    <DTUSER>20170113120000</DTUSER>
                    <TRNAMT>-40.0</TRNAMT>
                    <FITID>8373020273630</FITID>
                    <CHECKNUM>275</CHECKNUM>
                    <NAME>CHECK 275 8383933737</NAME>
                </STMTTRN>
            </BANKTRANLIST>
            <LEDGERBAL>
                <BALAMT>1000001.00</BALAMT>
                <DTASOF>20170127120000</DTASOF>
            </LEDGERBAL>
        </STMTRS>
    </STMTTRNRS>
<!-- </BANKMSGSRSV1> -->