Cycamore 1.5.0

Changeling:

• Added Storage archetype. This Facility is intended to hold materials for a
  user specified amount of time in order to model a storage facility with a
  certain residence time or holdup time.
• Added Mixer archetype. This facility Mixer mixes N streams with fixed,
  static, user-specified ratios into a single output stream. The Mixer has N
  input inventories: one for each streams to be mixed, and one output stream.
  The supplying of mixed material is constrained by available inventory of mixed
  material quantities.
• All Cycamore archetypes now uses the tolerance_resource for all the buffer
  Pop.