InitialForce/UnitsNet — pull request #47 by bretthysuik (2014-11-07 20:38:45+00:00)
Title: Feature: Level

- [Level](http://en.wikipedia.org/wiki/Level_%28logarithmic_quantity%29) is the logarithm of the ratio of a quantity Q to a reference value of that quantity, Q0.
- Level is expressed in two dimensionless units: decibels (dB) and nepers (Np).
- Level is a non-standard SI unit but its usage is accepted alongside SI.