Added ^ power operator,

Added abs, random_int, random_real, random_shuffle, random_select script functions.
Made == comparison of doubles use a small epsilon, so things like 3/2 == 1.5 are actually true.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1013 0fc631ac-6414-0410-93d0-97cfa31319b6

src/script/value.hpp

@@ -96,6 +96,8 @@ class ScriptValue : public IntrusivePtrBaseWithDelete {
 	virtual ScriptValueP next();
 	/// Return the number of items in this value (assuming it is a collection)
 	virtual int itemCount() const;
+	/// Get a member at the given index
+	virtual ScriptValueP getIndex(int index) const;
 };
 
 extern ScriptValueP script_nil;   ///< The preallocated nil value