================== * added transform_to_memory() function * added transformation_to_leetspeak() function * added transformation_crude_spellchecker * added filter_by_max_filesize * added filter_by_min_filesize * fixed a bug where load_files() would fail if there were no files
0.1.4
================== * fixed an object mutation problem in the tabulate function
0.1.3
================== * filter_by_random_sampling now has a "replacement" option * changed from tabulate to an embedded function * added transformation_remove_non_ascii * added transformation_remove_non_alphanumerical * added filter_by_similar_documents
0.1.2
================== * added transformation_postag * added transformation_usas_en_semtag * added transformation_uppercase * added filter_by_filename_contains * added parameter support for transformations