GPS2space V0.3.1

1. added dist_to_poly function
2. added warnings about setting up search_radius when using dist_to_poly function

GPS2space V0.2.1

1. Fixed a projection issue in constructing convex hull-based activity space;
2. Column name change: convx_area -> convex_area;
3. Convex hull-based activity space method now preserves all the columns from original DataFrame;
4. Fixed some other very minor issues.

GPS2space V0.1.3

This is the first release of GPS2space, an open-source Python library for building spatial data and constructing buffer- and convex hull-based activity space and shared space from raw GPS data. This release is under MIT license.