fix a few small errors in the readme

[Eschon]

I found and fixed a few small errors in the readme. I'm not 100% sure about the removing the strict: false but if I haven't missed anything it is not used in the code anywhere

[jetersen]

link to see current commit author: https://github.com/jetersen/express-ipfilter/pull/50/commits/194e4ecc026ba853023a9b56f6f421cfac57153c.patch

@Eschon
You might want to set up an email alias on your GitHub account 🥇
https://help.github.com/articles/adding-an-email-address-to-your-github-account/

Or look into fixing your git user.email config 😅
https://help.github.com/articles/setting-your-commit-email-address-in-git
then you would need to amend your commits: https://stackoverflow.com/a/3042512
after changing author

to get proper credit for your commits 🏆

[Eschon]

Thanks for the hint!
I've set up the alias.