v0.1.6 - Adding filtering robustness

Fixes

• Added robustness to the filtering algorithm published in v0.1.5 which was popping multiple elements from a list...which obviously means you are popping the wrong indexes for any more than one element.

What's Changed

• Fixes/adding robustness to singularities to polygon by @connorferster in #11

Full Changelog: v0.1.5...v0.1.6