rename tuple functions
moved prepfn (which is Cascading specific) into the cascading namespace
Merge pull request #9 from bhiles/move-prepfn

moved prepfn (which is Cascading specific) into the cascading namespace
Merge pull request #10 from bhiles/small-cleanup

rename tuple functions
remove excessive refers
remove excessive refers
remove excessive requires
additional comments
comments for the cascading platform
Merge branch 'bsh-clojure-engine' into small-cleanup-2

Conflicts:
	cascalog-core/src/clj/cascalog/in_memory/platform.clj
Merge pull request #11 from bhiles/small-cleanup-2

Clean up namespaces and requires
split api-secondary-test into two files (one for both platforms and one for just cascading)
WiP: negation
WiP: got negation to work properly
clean up file to look as it did before changes
move cascading specific test into its suite
delete empty lines
fix failing JCascalog tests
Merge pull request #12 from bhiles/failing-ops

Add logic/tests for first-n and negation ops
Merge branch 'bsh-clojure-engine' into add-sinks

Conflicts:
	cascalog-core/src/clj/cascalog/in_memory/platform.clj