#fw-2 Creating unit tests for expenses.
#fw-28 Configured a test database.
#fw-28 Created an API for retrieving a list of users.
#fw-28 Implemented an API for retrieving a list of users.
#fw-28 Updated UserTableSeeder
#fw-28 Created an API for retrieving a list of users.
#fw-31 Implementing an API for updating a user.
#fw-29 Implemented an API for retrieving a user.
#fw-31 Fix bug in updating a user.
#fw-29 Updated API for retrieving a user.
Merge branch 'fw-31' into fw-29
#fw-30 Implemented an API for creating a user.
#fw-31 Implemented an API for updating a user.
#fw-32 Implemented an API for deleting a user.
#fw-40 Implemented an API for retrieving a list of categories.
#fw-35 Implementing an API for retrieving a list of merchants.