2.0.0

• Add utils for flex-basis
  • u-flexBasisAuto
  • u-flexBasis0
• Add utils for flex shorthand overrides
  • u-flexInitial
  • u-flexNone
  • u-flexAuto
• Add flex-shrink utility
  • u-flexShrinkX (0-5)
• Remove IE10 hack for applying flex-shrink to all children (doc)
• Update suitcss-preprocessor to 3.0.1
• Move custom media below imports to fix warning

Changes in #7