DNMY: Support Domain Restriction Inversions

[pulsipher]

This adds the invert_logic keyword argument to DomainRestrictions such that the restrictions denote the logical compliment of the conditions given. This is an experiment to see if we should implement this.

For example:

using InfiniteOpt
model = InfiniteModel()
@infinite_parameter(model, t in [0, 1])
@variable(model, y(t))
@constraint(model, y^2 <= 9, DomainRestrictions(t => 0.5, invert_logic = true)) # enforce constraint for every t != 0.5

Update: #167 is probably the better solution.

[codecov[bot]]

Codecov Report

Merging #166 (6c13bd9) into master (d4c0ab8) will increase coverage by 0.00%. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #166   +/-   ##
=======================================
  Coverage   99.78%   99.78%           
=======================================
  Files          32       32           
  Lines        6522     6555   +33     
=======================================
+ Hits         6508     6541   +33     
  Misses         14       14           

Impacted Files	Coverage Δ
src/TranscriptionOpt/transcribe.jl	99.71% <100.00%> (+<0.01%)	:arrow_up:
src/constraints.jl	100.00% <100.00%> (ø)
src/datatypes.jl	100.00% <100.00%> (ø)
src/show.jl	100.00% <100.00%> (ø)

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