Add missing docblocks to master class.
Batch and vow-ify FileReader tests, increasing coverage to 100%.
Consume extra arguments as 'files' array, which denotes specific top-level filter targets.
Use a test generator for less repetitive config default tests.
Rename blasted 'files' config to avoid clobbering LESS.Parser config option.
Emit error before sending error event to master.
Chunk up master tests into batches.
Add imports fixtures, updating collect() test.
Add _filterAdHocFiles with supporting methods and tests.
Update usage text.
0.3.2