v0.3.9

revised UnitSystems syntax

v0.3.8

transitioned to FieldConstants

v0.3.7

revised and improved UnitSystems syntax

v0.3.6

revised natural units and angles

v0.3.5

implemented synodicmonth and jovianyear

v0.3.4

revised standard UnitSystem definitions

v0.3.3

standardized physics unit definitions

v0.3.2

generalized technical engineering UnitSystem specification

v0.3.1

revised charge accuracy calculation

v0.3.0

generalized dimensionless Coupling of UnitSystem