Use "legislative_session" consistently everywhere
Update example get_organizations to yield an object, not return a list
Correct spelling of pseudo
Allow setting the role of a Person's automatic Membership
Return the membership from Person#add_term
Merge branch 'master' into pr/136
Merge branch 'master' into pr/138
Merge branch 'master' into pr/129
Merge branch 'master' into pr/134
Remove scruffy: Pre-PostgreSQL code.

Related to #135