+ Started implementing the file encryption

+ File encryption

example-file.php

@@ -0,0 +1,26 @@
+<?php
+
+require("./lib.php");
+
+/**
+ * This is a simple example of how to encrypt files with the library
+ * The following code will read the file in chunks instead of loading
+ * the whole thing in memory, trying to keep the "Peak Memory Usage"
+ * as low as possible.
+*/
+
+define("INPUT_FILE",      "./example.php");
+define("OUTPUT_FILE",     "./example.enc.php");
+define("DEC_OUTPUT_FILE", "./example.dec.php");
+
+// Initialize the class
+$lib = new kpcrypt();
+
+// Encrypt the file
+$lib->encryptFile(INPUT_FILE, OUTPUT_FILE);
+
+// Decrypt the file as well
+$lib->encryptFile(OUTPUT_FILE, DEC_OUTPUT_FILE);
+
+echo "Errors: \n";
+print_r($lib->getErrors())