diff --git a/package.json b/package.json
index 20cad91..5cc64b6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "functional-models",
-  "version": "3.0.12",
+  "version": "3.0.16",
   "description": "Functional models is ooey gooey framework for building and using awesome models EVERYWHERE.",
   "main": "index.js",
   "types": "index.d.ts",
diff --git a/src/orm/query.ts b/src/orm/query.ts
index 8d97aad..a081a99 100644
--- a/src/orm/query.ts
+++ b/src/orm/query.ts
@@ -94,7 +94,7 @@ const _builderV2 = (data: OrmSearch): InnerBuilderV2 => {
   const thisDatesBefore = (
     key: string,
     jsDate: Date | string,
-    { valueType = DatastoreValueType.string, equalToAndBefore = true } = {}
+    { valueType = DatastoreValueType.date, equalToAndBefore = true } = {}
   ) => {
     const p = datesBefore(key, jsDate, { valueType, equalToAndBefore })
     return _link(merge(data, { query: data.query.concat(p) }))
@@ -103,7 +103,7 @@ const _builderV2 = (data: OrmSearch): InnerBuilderV2 => {
   const thisDatesAfter = (
     key: string,
     jsDate: Date | string,
-    { valueType = DatastoreValueType.string, equalToAndAfter = true } = {}
+    { valueType = DatastoreValueType.date, equalToAndAfter = true } = {}
   ) => {
     const p = datesAfter(key, jsDate, { valueType, equalToAndAfter })
     return _link(merge(data, { query: data.query.concat(p) }))
@@ -235,11 +235,11 @@ const datesAfter = (
   key: string,
   jsDate: Date | string,
   options: { valueType: DatastoreValueType; equalToAndAfter: boolean } = {
-    valueType: DatastoreValueType.string,
+    valueType: DatastoreValueType.date,
     equalToAndAfter: true,
   }
 ): DatesAfterQuery => {
-  const { valueType = DatastoreValueType.string, equalToAndAfter = true } =
+  const { valueType = DatastoreValueType.date, equalToAndAfter = true } =
     options
   return {
     type: 'datesAfter',
@@ -271,11 +271,11 @@ const datesBefore = (
   key: string,
   jsDate: Date | string,
   options: { valueType: DatastoreValueType; equalToAndBefore: boolean } = {
-    valueType: DatastoreValueType.string,
+    valueType: DatastoreValueType.date,
     equalToAndBefore: true,
   }
 ): DatesBeforeQuery => {
-  const { valueType = DatastoreValueType.string, equalToAndBefore = true } =
+  const { valueType = DatastoreValueType.date, equalToAndBefore = true } =
     options
   return {
     type: 'datesBefore',
diff --git a/src/orm/types.ts b/src/orm/types.ts
index 34c4637..060e005 100644
--- a/src/orm/types.ts
+++ b/src/orm/types.ts
@@ -745,6 +745,7 @@ type InnerBuilderV2 = {
   complex: (subBuilderFunc: SubBuilderFunction) => BuilderV2Link
   /**
    * Searches for elements that are after the given date.
+   * NOTE: It can be very important to set the valueType to either string or Date depending on what datastore you are using.
    * @param key - The property name/key to use.
    * @param jsDate - The date to search.
    * @param options - Additional options.
@@ -756,6 +757,7 @@ type InnerBuilderV2 = {
   ) => BuilderV2Link
   /**
    * Searches for elements that are before the given date.
+   * NOTE: It can be very important to set the valueType to either string or Date depending on what datastore you are using.
    * @param key - The property name/key to use.
    * @param jsDate - The date to search.
    * @param options - Additional options.
diff --git a/src/properties.ts b/src/properties.ts
index 825d310..df47148 100644
--- a/src/properties.ts
+++ b/src/properties.ts
@@ -192,7 +192,7 @@ type DatePropertyConfig<T extends Arrayable<DataValue>> = {
   formatFunction?: (date: Date, format?: string) => string
   /**
    * The format the date should be in. This is a framework agnostic format, and should be based on your format function.
-   * NOTE: If a formatFunction is not provided, this is completely ignored. For dates YYYY/MM/DD is the default and for Datetimes it is ISOString()
+   * NOTE: If a formatFunction is not provided, this is completely ignored. For dates YYYY-MM-DD is the default and for Datetimes it is ISOString()
    */
   format?: string
 } & PropertyConfig<T>
diff --git a/src/types.ts b/src/types.ts
index c52305e..f8b804a 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -29,7 +29,7 @@ type Arrayable<T> = T | readonly T[]
  * A JSON compliant object.
  */
 type JsonObj = Readonly<{
-  [s: string]: JsonAble | null
+  [s: string]: JsonAble | null | undefined
 }>
 
 /**
@@ -42,6 +42,7 @@ type JsonAble =
   | string
   | boolean
   | null
+  | undefined
 
 /**
  * This is a fully Json compliant version of a DataDescription
diff --git a/src/validation.ts b/src/validation.ts
index cc67e02..c513900 100644
--- a/src/validation.ts
+++ b/src/validation.ts
@@ -1,6 +1,7 @@
 import isEmpty from 'lodash/isEmpty'
 import merge from 'lodash/merge'
 import flatMap from 'lodash/flatMap'
+import get from 'lodash/get'
 import {
   DataDescription,
   ModelInstance,
@@ -417,8 +418,17 @@ const referenceTypeMatch = (
   any
 > => {
   return (value?: ModelInstance<any, any, any>) => {
-    if (!value) {
-      return 'Must include a value'
+    const theType = typeof value
+    switch (theType) {
+      case 'string':
+      case 'number':
+      case 'undefined':
+        return undefined
+      default:
+        break
+    }
+    if (value === null) {
+      return undefined
     }
     // This needs to stay here, as it delays the creation long enough for
     // self referencing types.
@@ -436,16 +446,22 @@ const referenceTypeMatch = (
   }
 }
 
+/**
+ * A validator that can validate an entire object.
+ *
+ * @param required - If this object is required.
+ * @param keyToValidators - An object that has a dotted path key to the property to validate, and one or more validators for it.
+ */
 const objectValidator = <T extends object>({
   required,
   keyToValidators,
 }: {
   required?: boolean
-  keyToValidators: {
-    [s: string]:
-      | ValuePropertyValidatorComponent<any>
-      | ValuePropertyValidatorComponent<any>[]
-  }
+  keyToValidators: Record<
+    string,
+    | ValuePropertyValidatorComponent<any>
+    | ValuePropertyValidatorComponent<any>[]
+  >
 }): ValuePropertyValidatorComponent<T> => {
   return (obj: T) => {
     if (!obj) {
@@ -459,16 +475,13 @@ const objectValidator = <T extends object>({
       return isNotObj
     }
     return (
-      Object.entries(obj)
-        .reduce((acc, [key, value]) => {
-          const validators = keyToValidators[key]
-          if (!validators) {
-            return acc
-          }
-          const validator = Array.isArray(validators)
-            ? multiValidator(validators)
-            : validators
-          const error = validator(value)
+      Object.entries(keyToValidators)
+        .reduce((acc, [key, validator]) => {
+          const theValidator = Array.isArray(validator)
+            ? multiValidator(validator)
+            : (validator as ValuePropertyValidatorComponent<any>)
+          const value = get(obj, key)
+          const error = theValidator(value)
           if (error) {
             return acc.concat(`${key}: ${error}`)
           }
diff --git a/test/src/orm/query.test.ts b/test/src/orm/query.test.ts
index 4357ced..e485372 100644
--- a/test/src/orm/query.test.ts
+++ b/test/src/orm/query.test.ts
@@ -446,7 +446,7 @@ describe('/src/orm/query.ts', () => {
         type: 'datesBefore',
         key: 'my-key',
         date: '2025-01-01T00:00:00.000Z',
-        valueType: DatastoreValueType.string,
+        valueType: DatastoreValueType.date,
         options: {
           equalToAndBefore: true,
         },
@@ -497,7 +497,7 @@ describe('/src/orm/query.ts', () => {
         type: 'datesAfter',
         key: 'my-key',
         date: '2025-01-01T00:00:00.000Z',
-        valueType: DatastoreValueType.string,
+        valueType: DatastoreValueType.date,
         options: {
           equalToAndAfter: true,
         },
@@ -725,7 +725,7 @@ describe('/src/orm/query.ts', () => {
               type: 'datesBefore',
               key: 'my-key',
               date: '2020-01-01',
-              valueType: 'string',
+              valueType: 'date',
               options: {
                 equalToAndBefore: true,
               },
@@ -746,7 +746,7 @@ describe('/src/orm/query.ts', () => {
               type: 'datesAfter',
               key: 'my-key',
               date: '2020-01-01',
-              valueType: 'string',
+              valueType: 'date',
               options: {
                 equalToAndAfter: true,
               },
diff --git a/test/src/validation.test.ts b/test/src/validation.test.ts
index 34e4dd3..f6a80fc 100644
--- a/test/src/validation.test.ts
+++ b/test/src/validation.test.ts
@@ -769,7 +769,7 @@ describe('/src/validation.ts', () => {
     })
   })
   describe('#referenceTypeMatch()', () => {
-    it('should return an error if undefined is passed as a value', () => {
+    it('should return undefined if undefined is passed as a value', () => {
       const myModel = TestModel1.create({})
       const actual = referenceTypeMatch(TestModel1)(
         // @ts-ignore
@@ -778,9 +778,9 @@ describe('/src/validation.ts', () => {
         {},
         {}
       )
-      assert.isOk(actual)
+      assert.isUndefined(actual)
     })
-    it('should return an error if null is passed as a value', () => {
+    it('should return undefined if null is passed as a value', () => {
       const myModel = TestModel1.create({})
       const actual = referenceTypeMatch(TestModel1)(
         // @ts-ignore
@@ -789,7 +789,7 @@ describe('/src/validation.ts', () => {
         {},
         {}
       )
-      assert.isOk(actual)
+      assert.isUndefined(actual)
     })
     it('should allow a function for a model', async () => {
       const myModel = EMPTY_MODEL.create({})