Add some more tests as well as improve the readme

Author: Witixin1512

README.md

@@ -1,5 +1,16 @@
-# ZenScript
+# ZenCode
 
-This is the main ZenScript project, containing various sub-projects.
+This is the main ZenCode project, containing various sub-projects.
+
+## Building
+
+At the moment, the project is undergoing a major refactor. As such, it will not fully compile.
+
+## Testing
+
+ZenCode has a test suite, which can be run using `gradlew :ScriptingExample:test`,
+or `./gradlew :ScriptingExample:test`, depending on your platform.
+
+Tests can be located under the `ScriptingEngineTester` project in the form of ZenCode scripts, as well as under the `test` source set in
+the `ScriptingExample` project in the form of Junit tests.
 
-TODO readme.

ScriptingEngineTester/src/main/resources/zencode-tests/functions/function-parameters.zc

@@ -0,0 +1,7 @@
+#output: Hello
+
+function foo(func as function(a as string) as void) as void {
+	func("Hello");
+}
+
+foo(s => println(s));

ScriptingEngineTester/src/main/resources/zencode-tests/functions/recursion.zc

@@ -0,0 +1,8 @@
+#output: 55
+
+function fib(n as int) as int {
+	if (n < 2) return n;
+	return fib(n - 1) + fib(n - 2);
+}
+
+println("" + fib(10));

ScriptingEngineTester/src/main/resources/zencode-tests/functions/shadowing.zc

@@ -0,0 +1,9 @@
+#output: Undetermined
+
+//Should this error?
+
+function println(a as string) {
+
+}
+
+println("Hello");