Move to lib style, move scripts into their own directory, start source examples

src/lib.rs

@@ -0,0 +1,19 @@
+//! Rhai - embedded scripting for Rust
+
+
+// Todo (in no particular order):
+// * Doc some examples
+// *   Maintaining state
+// *   Overloading
+// *   How it works
+// * Vectors
+// * Tighten parser?
+// * Errors with positions?
+
+mod engine;
+
+mod fn_register;
+mod parser;
+
+pub use engine::Engine;
+pub use fn_register::FnRegister;