Minor update to parsing ESSR attachments. (#861)

Signed-off-by: pfeairheller <pfeairheller@gmail.com>

src/keri/core/parsing.py

@@ -9,7 +9,7 @@
 
 from ..kering import Vrsn_1_0, Vrsn_2_0
 from .coring import (Ilks, Seqner, Cigar,
- Dater, Verfer, Prefixer, Saider, Pather, Texter)
+ Dater, Verfer, Prefixer, Saider, Pather, Matter)
 from .counting import Counter, Codens, CtrDex_1_0
 from .indexing import (Siger, )
 from . import serdering
@@ -960,7 +960,7 @@ def msgParsator(self, ims=None, framed=True, pipeline=False,
  elif ctr.code == CtrDex_1_0.ESSRPayloadGroup:
  for i in range(ctr.count):
  texter = yield from self._extractor(ims,
- klas=Texter,
+ klas=Matter,
  cold=cold,
  abort=pipelined)
  essrs.append(texter)