Added initial version

Client/src/main/java/org/runite/client/TimeUtils.java

@@ -0,0 +1,35 @@
+package org.runite.client;
+
+public final class TimeUtils {
+
+    private static long correction;
+    private static long previous;
+
+    public static synchronized long time() {
+        long time = System.currentTimeMillis();
+        if (time < previous) {
+            correction += previous + -time;
+        }
+
+        previous = time;
+        return correction + time;
+    }
+
+    public static void sleep(long millis) {
+        if (0L < millis) {
+            if (0L == millis % 10L) {
+                sleepWrapped(millis + -1L);
+                sleepWrapped(1L);
+            } else {
+                sleepWrapped(millis);
+            }
+        }
+    }
+
+    private static void sleepWrapped(long millis) {
+        try {
+            Thread.sleep(millis);
+        } catch (InterruptedException var4) {
+        }
+    }
+}