v0.6.6

End support for windows.

v0.6.5

Stop applying patch

v0.6.4

• Correct misspelling in a test.

v0.6.3

• Raise ValueError if "book" and "page" are wrong.

v0.6.2

• Real permittivity is kept real

v0.6.1

• PEC class has been added as an artificial metal with negative large permittivity.

v0.6.0

• Modification for cooperation with PyMWM.

v0.5.0

• Cython codes for formulas were added.
• RiiMaterial class has been hided behind. Use Material class instead.

v0.4.0

• Merge PyOptMat

v0.3.1

Modification for conda package upload