Added an 'unget' capability to allow for applications to read ahead from a stream and put tokens back when they've read too far.  This is used by the Language Model parser.
Added an 'unget' capability to allow for applications to read ahead
from a stream and put tokens back when they've read too far.  This is
used by the Language Model parser.


git-svn-id: a8b04003a33e1d3e001b9d20391fa392a9f62d91@542 94700074-3cef-4d97-a70e-9c8c206c02f5

deepstupid/sphinx5