60: be able to dump 2d fields, useful for unit testing.
60: try dumping some fields when UNIT_TESTING is turned on.
60: comment out main().
60: are fields being dumped?
60: further checks that dump_field is being called.
60: remove debugging.
60: update dump_field code to have better error reporting.
60: fix formatting of dump_field.
60: fix sytax errors, missing variable declaration.
Merge pull request #61 from nicholash/60-unit-testing

60 unit testing