Swahili stopwords added

v0.1.15

Adding Swahili stopword list

Hebrew stopwords added

Thank you @guysaar223 for PR

Making Punjabi Gurmukhi work

Forgot to reference stopwords_pa_in.js from stopword.js and have corrected test.

Adding Punjabi Gurmukhi + test

Half of Punjabi language. This is a frequency sorted list that will make it possible to slice the list from the bottom and be less agressive in removing stopwords.

Downgrading for ES5 compatability

Changend one const to var

Updates on which versions of Node.js it's tested on

Updating which versions of Node.js the library is tested on. Went from 4,5 and 6 to 4,6,8 and 9.

Improved Brazilian Portuguese stopword list

Removing duplicate words and adding new words (numbers, common verbs) in Brazilian Portuguese stopword list.

Updating documentation on custom stopword lists

It is possible to create lists/arrays of custom stopwords. Now it's also in the documentation. Test in place from before.

Brazilian Portuguese stopword list added

Thanks to @micalevisk, we now have a Brazilian Portuguese stopword list.

ES5 compatible

Making syntax ES5 compatible again. Rolling back some ES6 specific code since this created problems for a user.