vrep points with rays

[blegat]

Need to add test, it came up when I tried doing convexhull([1], Ray([1])) but its output does not contain the origin in the points which is inconsistent with convexhull([1], Ray([1]), Line([1])). Maybe convexhull with rays and lines should not be allowed, it's a bit ambiguous, convexhull(points) + cone and convexhull(points, cone) are less ambiguous.

[codecov]

Codecov Report

Merging #239 (45a1388) into master (b6490a2) will decrease coverage by 0.07%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #239      +/-   ##
==========================================
- Coverage   89.48%   89.41%   -0.08%     
==========================================
  Files          38       38              
  Lines        2359     2361       +2     
==========================================
  Hits         2111     2111              
- Misses        248      250       +2     

Impacted Files	Coverage Δ
src/vecrep.jl	95.74% <0.00%> (-4.26%)	⬇️

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