first post!
add mass_object.rb
add mass_object_test.rb
add test sql file
write SQLObject
add SQLObject::all tests
move DBConnection to own class file
fix `SQLObject::find` method

Shouldn't return an Array.
add create/update methods
add SQLObject#save method
add Searchable module
add MassObject::parse_all convenience
write belongs_to
write has_many
associatable: little fixes
store association data in ivar
rewrite associatable.rb in OO way
write has_one_through
test: add houses table
test: add has_one_through association