Release 0.2.0

include/caosdb/utility.h

@@ -147,11 +147,6 @@ public:
    */
   auto operator=(JsonValue &&other) noexcept -> JsonValue &;
 
-  /**
-   * Return true if the `wrapped` object is the nullptr.
-   */
-  inline auto IsNull() const -> bool { return this->wrapped == nullptr; }
-
   /**
    * Reset this object.
    *