Added early version of libxml backend

Backend-libXML/main.py

@@ -0,0 +1,17 @@
+import Parser
+
+
+if __name__ == '__main__':
+    SOURCE = "sample/xslt.xml"
+    XSLT = "sample/sample.xslt"
+
+    file = open(SOURCE, "r")
+    xml = file.read()
+    file.close()
+
+    file = open(XSLT, "r")
+    xslt = file.read()
+    print(Parser.xslt(xml, xslt))
+
+    file.close()
+