fix quoting in order_by, add get_or_none

docs/queries/filter-and-sort.md

@@ -5,6 +5,7 @@ You can use following methods to filter the data (sql where clause).
 * `filter(**kwargs) -> QuerySet`
 * `exclude(**kwargs) -> QuerySet`
 * `get(**kwargs) -> Model`
+* `get_or_none(**kwargs) -> Optional[Model]`
 * `get_or_create(**kwargs) -> Model`
 * `all(**kwargs) -> List[Optional[Model]]`
 
@@ -13,6 +14,7 @@ You can use following methods to filter the data (sql where clause).
     * `QuerysetProxy.filter(**kwargs)` method
     * `QuerysetProxy.exclude(**kwargs)` method
     * `QuerysetProxy.get(**kwargs)` method
+    * `QuerysetProxy.get_or_none(**kwargs)` method
     * `QuerysetProxy.get_or_create(**kwargs)` method
     * `QuerysetProxy.all(**kwargs)` method
 
@@ -397,6 +399,11 @@ When any kwargs are passed it's a shortcut equivalent to calling `filter(**kwarg
     
     To read more about `get` go to [read/get](../read/#get)
 
+## get_or_none
+
+Exact equivalent of get described above but instead of raising the exception returns `None` if no db record matching the criteria is found.
+
+
 ## get_or_create
 
 `get_or_create(**kwargs) -> Model`
@@ -461,6 +468,11 @@ objects from other side of the relation.
 !!!tip 
     To read more about `QuerysetProxy` visit [querysetproxy][querysetproxy] section
 
+#### get_or_none
+
+Exact equivalent of get described above but instead of raising the exception returns `None` if no db record matching the criteria is found.
+
+
 #### get_or_create
 
 Works exactly the same as [get_or_create](./#get_or_create) function above but allows

docs/queries/index.md

@@ -46,6 +46,7 @@ To read more about any specific section or function please refer to the details
 ### [Read data from database](./read.md)
 
 * `get(**kwargs) -> Model`
+* `get_or_none(**kwargs) -> Optional[Model]`
 * `get_or_create(**kwargs) -> Model`
 * `first() -> Model`
 * `all(**kwargs) -> List[Optional[Model]]`
@@ -57,6 +58,7 @@ To read more about any specific section or function please refer to the details
 
 * `QuerysetProxy`
     * `QuerysetProxy.get(**kwargs)` method
+    * `QuerysetProxy.get_or_none(**kwargs)` method
     * `QuerysetProxy.get_or_create(**kwargs)` method
     * `QuerysetProxy.first()` method
     * `QuerysetProxy.all(**kwargs)` method
@@ -122,6 +124,7 @@ To read more about any specific section or function please refer to the details
 * `exclude(**kwargs) -> QuerySet`
 * `order_by(columns:Union[List, str]) -> QuerySet`
 * `get(**kwargs) -> Model`
+* `get_or_none(**kwargs) -> Optional[Model]`
 * `get_or_create(**kwargs) -> Model`
 * `all(**kwargs) -> List[Optional[Model]]`
 
@@ -131,6 +134,7 @@ To read more about any specific section or function please refer to the details
     * `QuerysetProxy.exclude(**kwargs)` method
     * `QuerysetProxy.order_by(columns:Union[List, str])` method
     * `QuerysetProxy.get(**kwargs)` method
+    * `QuerysetProxy.get_or_none(**kwargs)` method
     * `QuerysetProxy.get_or_create(**kwargs)` method
     * `QuerysetProxy.all(**kwargs)` method
   

docs/queries/read.md

@@ -55,6 +55,13 @@ track == track2
 
     If there are multiple rows meeting the criteria the `MultipleMatches` exception is raised.
 
+## get_or_none
+
+`get_or_none(**kwargs) -> Model`
+
+Exact equivalent of get described above but instead of raising the exception returns `None` if no db record matching the criteria is found.
+
+
 ## get_or_create
 
 `get_or_create(**kwargs) -> Model`
@@ -190,6 +197,14 @@ objects from other side of the relation.
 !!!tip 
     To read more about `QuerysetProxy` visit [querysetproxy][querysetproxy] section
 
+### get_or_none
+
+Exact equivalent of get described above but instead of raising the exception returns `None` if no db record matching the criteria is found.
+
+!!!tip 
+    To read more about `QuerysetProxy` visit [querysetproxy][querysetproxy] section
+
+
 ### get_or_create
 
 Works exactly the same as [get_or_create](./#get_or_create) function above but allows