feat: hoodie.store.push("id123") #24
feat: hoodie.store.push({id: "id123"}) #24
feat: hoodie.store.push([{id: "id123"}, "id456", ...]) #24
feat: hoodie.store.push(filterFunction) #24
feat: hoodie.store.push(promise) #24
feat: hoodie.store.pull(objectId) #24
test: hoodie.store.pull(object) #24
fix: async initialization of new PouchDB
doc: comment on PouchDB constructor workaround
test: hoodie.store.pull(objects) #24
test: hoodie.store.pull(promise) #24