fix cps whitelist, simplify two parameter definitions
leave a hint how to draw outlines instead of filled
repair List operator
repair negate operator
Merge pull request #246 from graphicore/fixes-for-formulae-language

Fixes for formulae language
Add operators to perform calculations using the math/hobby module.
Allow names to begin like existing non-splitting tokens.

e.g: `Skew` is an operator and `SkewTransform` is an allowed name.
Parse 'Infinity' as a number
Allow negative indexes in :i pseudo class selector.
Fixes for details of the hobby module.

* normalize angles
* return a tension of Infinity when a magnitude is 0
* fix behavior of the tension2control functions when tensions are undefined
* ensure _magnitude2tension returns Infinity when magnitudes are 0
show only branch master in travis build status image
Merge pull request #243 from graphicore/bugfixes-hobby

Fixes for details of the hobby module.
Merge pull request #244 from graphicore/fixes-for-Vector

fix cps whitelist, simplify two parameter definitions
Merge pull request #245 from graphicore/hint-for-drawing-outlines

leave a hint how to draw outlines instead of filled
Merge pull request #247 from graphicore/improvements-for-formulae-language-and-selectors

Improvements to formulae language and selectors
Fix rembering of 'lastVector' in MOMPointPen
Cps whitelist 'type' property of all MOM Nodes.
Refactoring for more stable imports and better handling of edge cases.

Much simpler control point finding, positioning of off-curve points is now complete

Use the new hobby module.

Refactor, return polar coordinates, be smart to always find directions for control

Remove old 'getStrokeTerminals' method

New errors Import and ImportPenstroke

Make SegementPoint a subclass of Vector

Rewrite/restructure to have a better separation of the tasks handled here and impro

New cps-rules creation, a master is not in it's own @namespace anymore.

Add/remove parameters to reflect what is currently used.