UnitsNet/4.12.0

e98d03f Add KilogramPerLiter DensityUnit (#627)
f748ad2 Avoid reflection in InfosLazy (#631)
1813011 (Pressure) Updating tests (#629)
44f8b73 Adding BaseUnits for a handful of quantities (#625)
3ecea2a Add As/ToUnit conversions to UnitSystem (#622)
2e1c12e IQuantity As/ToUnit method exceptions (#621)
f3ec420 Rename AsBaseNumericType to GetValueAs (#619)
7ae21c6 Add base units to some quantities (first steps) (#601)
d819b99 Initial implementation of IFormattable (#599)
c4cab69 Obsolete GlobalConfiguration (#616)
e3d84e5 Remove reflection (#618)
b61b9a7 Fix msbuild warnings, re-enable and treat all as errors (#617)
95a3a32 README: Add some sass to the introduction
417ac1d Update README.md