Add AllocationStrategy.howManyToResizeBy
Update PrescribeSize and TracingStrategy
Rename {Prescribed -> Fixed}Size
Add ResizeBy test double
Fix TracingStrategy.howManyToResizeByCalled
Add PoolTest.poolObeysStrategyHowManyToResizeBy
Pass PoolTest.poolObeysStrategyHowManyToResizeBy
Fix AllocationStategy.howManyToResizeBy doc
Add PoolTest.poolObeysStrategyWhenResizeForbidden
Pass PoolTest.poolObeysStrategyWhenResizeForbidden