Point constraint support

[pulsipher]

No description provided.

[codecov]

Codecov Report

Merging #2 into master will increase coverage by 0.04%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master       #2      +/-   ##
==========================================
+ Coverage   99.71%   99.75%   +0.04%     
==========================================
  Files          22       22              
  Lines        2421     2422       +1     
==========================================
+ Hits         2414     2416       +2     
+ Misses          7        6       -1

Impacted Files	Coverage Δ
src/constraints.jl	100% <100%> (ø)	⬆️
src/macros.jl	99.07% <0%> (+0.46%)	⬆️

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