Upgrades rulr to 2.0.0.

[ryasmi]

No description provided.

[codecov-io]

Codecov Report

Merging #19 into master will decrease coverage by 1.99%.
The diff coverage is 93.05%.

@@          Coverage Diff           @@
##           master    #19    +/-   ##
======================================
- Coverage     100%    98%    -2%     
======================================
  Files          90    100    +10     
  Lines         971   1153   +182     
======================================
+ Hits          971   1130   +159     
- Misses          0     23    +23

Impacted Files	Coverage Δ
dist/index.js	100% <100%> (ø)	⬆️
dist/schemaRules/authority.js	100% <100%> (ø)	⬆️
dist/tests/schemaRules/interactionComponent.js	100% <100%> (ø)	⬆️
dist/helpers/agentSchema.js	100% <100%> (ø)	⬆️
dist/schemaRules/statement.js	100% <100%> (ø)	⬆️
dist/tests/regexValues/duration.js	100% <100%> (ø)	⬆️
dist/tests/describeProp.js	100% <100%> (ø)	⬆️
dist/tests/regexValues/version.js	100% <100%> (ø)	⬆️
dist/tests/values/number.js	100% <100%> (ø)	⬆️
dist/tests/schemaRules/context.js	100% <100%> (ø)	⬆️
... and 112 more

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[ryasmi]

Code coverage is decreased by unused generated code.