Capacity expansion model

Heuristic: Use max/min instead of sum for demand, storage, disposal

Heuristic: Solve restricted multi-period problem

Implement compress method

Minor fixes; round numbers in CSV output

model-3: solve: accept filename and optimizer

Add model (PDF)

Prototype composition model

composition: fixed output

composition: fixed output

Update docs

Make boat example easier to run; add output

Convert boat example to Julia

Debug model; improve reports

Implement basic reports; fix boat example

Model: Objective function and plant constraints

Start implementation of circular model

Finish implementing parser

Parser: Allow scalars in timeseries fields

Start implementation of circular model

solve: Allow custom graph

Reformat source code

Make resolve compatible with solve(heuristic=true)

Fix failing test

Fix: Remove disposal when deleting product

Fix bug in _compress when plants have fixed size

compress: Update disposal/acquisition limits/costs

Bump version to 0.7.2

Fix issue with collection disposal; increase precision in CSV reports