Add consuming information to sentence.
Model consuming with a consume keyword.  Remove import keyword.
When a token is consumed, use only the last consuming type.
Refactor: rename Tagger methods
Fixup
Add basic typechecking.
Fix webapp and relnoun/reverb taggers.
make use of outputExtractions
ignore Tuple/NP distinction in output to simplify patterns
fix bad import
generalize conjunctions
additional Barrons patterns
extend Barrons coverage. use separate RelFor pattern.
remove unintended file
remove unintended file
Recursive substitution expressions.
remove imports
output format
embedded output format
Merge branch 'master' into cascade

Conflicts:
	examples/chunks/adj.taggers
	examples/chunks/chunks.cascade
	examples/chunks/noun.taggers
	examples/chunks/prep.taggers
	examples/chunks/rel.taggers
	examples/chunks/reltuple.taggers
	examples/chunks/sent.taggers
	examples/chunks/verb.taggers