Add R and Y in digester script

[StevenWingett]

At the moment there is no provision in the digester script for sites that have “R”(A/G) or “Y” (C/T) etc. e.g. ApoI (R^AATTY) digests.

From: A.M.A. Imam [email protected]

[StevenWingett]

Email [email protected] about this when completed.