Added new defines with version WSJCPP_EMPLOYEES_VERSION_* for using in target project differences

Author: sea5kg

CHANGELOG.md

@@ -11,3 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Updated wsjcpp-core to v0.2.3 (Up C++ from 11 to 17)
 - Change single name registartion to multiple names
+
+### Added
+
+- Added new defines with version WSJCPP_EMPLOYEES_VERSION_* for using in target project differences

src/wsjcpp_employees.h

@@ -7,6 +7,10 @@
 #include <mutex>
 #include <wsjcpp_core.h>
 
+#define WSJCPP_EMPLOYEES_VERSION_0_2_0
+#define WSJCPP_EMPLOYEES_VERSION_0_2
+#define WSJCPP_EMPLOYEES_VERSION_0
+
 // ---------------------------------------------------------------------
 // base employ class