fancy error printing done

src/main/kotlin/blitz/collections/Bounds.kt

@@ -0,0 +1,17 @@
+package blitz.collections
+
+fun <T> List<T>.inBounds(index: Int): Boolean {
+    if (index >= size)
+        return false
+    if (index < 0)
+        return false
+    return true
+}
+
+fun <T> Vec<T>.inBounds(index: Int): Boolean {
+    if (index >= size)
+        return false
+    if (index < 0)
+        return false
+    return true
+}