bytea HISTORY updates

Bruce,

Please update HISTORY entries for bytea changes.

Remove:

Bytea comparison improvements, \### now requires three octal digits

Add:

Bug Fixes
  bytea \### now requires valid three digit octal number

Types
  Bytea comparison improvements, now supports =, !=, >, >=, <, and <=
  Bytea now supports btree indexes
  Bytea now supports LIKE, LIKE...ESCAPE, NOT LIKE, NOT LIKE...ESCAPE
  Bytea now supports string concatenation
  New Bytea functions - position(), substring, trim, btrim, and length
  New encode() function mode, 'escaped', converts minimally escaped
     bytea to/from text

Enhancements
  New libpq function, PQescapeBytea escapes binary string suitably for
     use as a SQL string literal


Joe