Rewrote main tests file

Gives a nice example of how to use the `ItemAccessWrapper` builder and where `BaseItemContainer` comes from

src/test/kotlin/Tests.kt

@@ -0,0 +1,38 @@
+import itemstuff.BaseItem
+import container.Container
+import item.itemAccessWrapper
+
+val baseItemAccess = itemAccessWrapper<BaseItem> {
+    getItemId(BaseItem::itemId)
+    getItemAmount(BaseItem::itemAmount)
+    getIsStackable(BaseItem::isStackable)
+    createItem(::BaseItem)
+}
+
+fun BaseItemContainer(alwaysStackable: Boolean = false, vararg items: BaseItem): Container<BaseItem> =
+        Container(items.size, alwaysStackable, baseItemAccess, items::get)
+
+/**
+ * @author: nbness2 <nbness1337@gmail.com>
+ *
+ * Tests for [Container]s Safe Access
+ */
+fun main() {
+    // No tests for getFromSlot and set specifically because they will propagate through some of these tests and make them wrong.
+    shiftTest()
+    addItemTest()
+    hasRoomTest()
+    verifyTest()
+    swapSlotTest()
+    takeItemTest()
+}
+
+
+/**
+ * @author: nbness2 <nbness1337@gmail.com>
+ *
+ *
+ */
+fun expectedGot(testName: String, expected: Any, got: Any): String =
+    "Test($testName): Expected $expected -- got $got"
+