Corrected user to have one vet, they represents the last vet they made a request to
Fixed typo and removed extra require statement
Fixed vaccine relationship with pet_vaccine from one-to-one to one-to-many
Added semicolon
Corrected contact history to a hasOne relationship with foreign tables and included contact history in vet_contact table
Reverted hasOne relationships to belongsTo
Merge pull request #59 from emiidee/feat/modelsCollections

Corrected relationships in models and collections