Small fixes

Small typo fixes, additional materials in ReadMe, minor API changes.

Add support for rotation and mirroring geometric objects

Add support for rotating and mirroring Points, Arcs, Polygons, and Winding classes.

Updated version to 0.1.4

v0.1.4-alpha2

Update version.

Breaking changes. All units in mm. Better CAD support for Cores.

Merge pull request #15 from dzimmanck/feature/change_to_mm

Feature/change to mm

.step file generation of cores for 3D rendering

• Add a "Conductor" class for calculating conductivity as a function of temperature.
• Add a "Transformer" class for multi-layer spiral based transformer designs
• Add support for .step file generation of cores for 3D rendering

Bug fixes

• Fix error in spiral DC resistance calculation that was omitting the last turn (issue-10)
• Fix bug in the code which tries to equalize the area of outer post legs with the centerpost

Initial release round 2

Update the classifiers for deployment to PyPi.

Initial release

Initial release