Add native library version information

src/main/java/org/hid4java/HidServices.java

@@ -205,4 +205,13 @@ public static String getVersion() {
       return value;
     }
   }
+
+  /**
+   * Returns the full version of the underlying hidapi library
+   *
+   * @return The version in major.minor.patch format
+   */
+  public static String getNativeVersion() {
+    return HidApi.getVersion();
+  }
 }

src/main/java/org/hid4java/jna/HidApi.java

@@ -488,4 +488,18 @@ private static void logTraffic(WideStringBuffer buffer, boolean isWrite) {
     }
   }
 
+  /**
+   * Returns the full version of the underlying hidapi library
+   *
+   * @return The version in major.minor.patch format
+   *
+   * @see org.hid4java.HidServices#getNativeVersion
+   */
+  public static String getVersion() {
+    if(hidApiLibrary == null) {
+      init();
+    }
+    return hidApiLibrary.hid_version_str();
+  }
+
 }

src/main/java/org/hid4java/jna/HidApiLibrary.java

@@ -269,4 +269,11 @@ public interface HidApiLibrary extends Library {
    * @return The pointer if successful or null
    */
   Pointer hid_open_path(String path);
+
+  /**
+   * Get version of hidapi library
+   *
+   * @return Version in major.minor.patch format
+   */
+  String hid_version_str();
 }