* Added MT helper classes for MTs: 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 565
* Fixed getAsCalendar for year component of field 77H
* Fixed parsing of field 50F
* Added field class for: 26C
* Support to identify which sequence a tag belongs to
* Added API to FieldNN classes to get the DSS field
* Added API to FieldNN classes to get the qualifier and conditional qualifier components
* Added API to FieldNN classes to determine if field is generic or non generic
* Field class made abstract
* FieldNN isOptional: method to check if a given component is optional for the field
* Field getLabel: support for label exceptions per mt and sequence
* SwiftParser changes to distinguish the presence of brackets when they are block boundaries or part of an invalid field value
* Improved parsing of Field35B, first and second components are set only if "ISIN " is present
* SR2012 update: deprecated fields 23C, 23F. Updated MT300, MT304, MT305 with field changes.
* Added serialization for: 20E, 29G, 31G, 36E, 50G, 50H, 69B, 69D, 69F, 77H, 90F, 90J, 90K, 92D, 92L, 92M, 92N, 94D, 94G, 95T, 98F
* Fixed serialization of field 59A