Association caching
Allow provide a setter for belongs_to associations
Small refactor.
Complete spec and implementation of assigning a belonged object.
Change again to use Hash.fetch because the query can return nil.
SObject#reload
Clear changed attributes when reloading
Merge pull request #49 from DanOlson/sobject-reload

SObject#reload
Merge pull request #48 from ionia-corporation/merging-cache

Merging cache