Consider switches in sub grid topology

[ckittl]

Closes #179

[codecov]

Codecov Report

Merging #185 into master will decrease coverage by 0.00%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #185      +/-   ##
============================================
- Coverage     76.72%   76.72%   -0.01%     
- Complexity     1548     1559      +11     
============================================
  Files           206      207       +1     
  Lines          6114     6191      +77     
  Branches        586      592       +6     
============================================
+ Hits           4691     4750      +59     
- Misses         1075     1090      +15     
- Partials        348      351       +3     

Impacted Files	Coverage Δ	Complexity Δ
...n/java/edu/ie3/datamodel/utils/ContainerUtils.java	82.48% <0.00%> (-0.97%)	58.00% <0.00%> (+9.00%)	⬇️
...du/ie3/datamodel/exceptions/TopologyException.java	0.00% <0.00%> (ø)	0.00% <0.00%> (?%)
.../java/edu/ie3/datamodel/utils/ValidationUtils.java	55.14% <0.00%> (+2.17%)	36.00% <0.00%> (+1.00%)

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