Feature/scheduler (#12)

* Block Competing process

* New System Call dispatcher

* unlock io requests

* count active processes at statusTable[12]

* continue execution after the process end + test hd

Author: GustavoOS

Test/Scheduler/fibonacci.c

@@ -0,0 +1,19 @@
+int main(void)
+{
+    int num;
+    int numA;
+    int numB;
+    int i;
+
+    numA = 1;
+    numB = 0;
+    i = 0;
+    while (i < 200)
+    {
+        num = numA + numB;
+        numB = numA;
+        numA = num;
+        i = i + 1;
+    }
+    output(num);
+}