Commit inicial: fuentes MBS ERP (Genero 6) + .gitignore + docs/SETUP_PC_MBS.md

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+## xpath
+DOM 3 XPath 1.0 implemention and helper for JavaScript, with node.js support.
+
+Originally written by Cameron McCormack ([blog](http://mcc.id.au/xpathjs)).
+
+Additional contributions from  
+Yaron Naveh ([blog](http://webservices20.blogspot.com/))  
+goto100  
+Thomas Weinert  
+Jimmy Rishe  
+and [others](https://github.com/goto100/xpath/graphs/contributors)
+
+## Install
+Install with [npm](http://github.com/isaacs/npm):
+
+    npm install xpath
+
+xpath is xml engine agnostic but we recommend [xmldom](https://github.com/xmldom/xmldom):
+
+    npm install @xmldom/xmldom
+
+## API Documentation
+
+Can be found [here](https://github.com/goto100/xpath/blob/master/docs/xpath%20methods.md). See below for example usage.
+
+## Your first xpath:
+`````javascript
+var xpath = require('xpath');
+var dom = require('@xmldom/xmldom').DOMParser;
+
+var xml = "<book><title>Harry Potter</title></book>";
+var doc = new dom().parseFromString(xml, 'text/xml');
+var nodes = xpath.select("//title", doc);
+
+console.log(nodes[0].localName + ": " + nodes[0].firstChild.data);
+console.log("Node: " + nodes[0].toString());
+`````
+➡
+
+    title: Harry Potter
+    Node: <title>Harry Potter</title>
+
+### Alternatively
+
+Using the same interface you have on modern browsers ([MDN])
+
+`````javascript
+var node = null;
+var xml = "<book author='J. K. Rowling'><title>Harry Potter</title></book>";
+var doc = new dom().parseFromString(xml, 'text/xml');
+var result = xpath.evaluate(
+    "/book/title",            // xpathExpression
+    doc,                        // contextNode
+    null,                       // namespaceResolver
+    xpath.XPathResult.ANY_TYPE, // resultType
+    null                        // result
+);
+
+node = result.iterateNext();
+while (node) {
+    console.log(node.localName + ": " + node.firstChild.data);
+    console.log("Node: " + node.toString());
+
+    node = result.iterateNext();
+}
+`````
+➡
+
+    title: Harry Potter
+    Node: <title>Harry Potter</title>
+
+## Evaluate string values directly:
+`````javascript
+var xml = "<book><title>Harry Potter</title></book>";
+var doc = new dom().parseFromString(xml, 'text/xml');
+var title = xpath.select("string(//title)", doc);
+
+console.log(title);
+`````
+➡
+
+    Harry Potter
+
+## Namespaces
+`````javascript
+var xml = "<book><title xmlns='myns'>Harry Potter</title></book>";
+var doc = new dom().parseFromString(xml, 'text/xml');
+var node = xpath.select("//*[local-name(.)='title' and namespace-uri(.)='myns']", doc)[0];
+
+console.log(node.namespaceURI);
+`````
+➡
+
+    myns
+
+## Namespaces with easy mappings
+`````javascript
+var xml = "<book xmlns:bookml='http://example.com/book'><bookml:title>Harry Potter</bookml:title></book>"
+var select = xpath.useNamespaces({"bookml": "http://example.com/book"});
+
+console.log(select('//bookml:title/text()', doc)[0].nodeValue);
+`````
+➡
+
+    Harry Potter
+
+## Default namespace with mapping
+`````javascript
+var xml = "<book xmlns='http://example.com/book'><title>Harry Potter</title></book>"
+var select = xpath.useNamespaces({"bookml": "http://example.com/book"});
+
+console.log(select('//bookml:title/text()', doc)[0].nodeValue);
+`````
+➡
+
+    Harry Potter
+
+## Attributes
+`````javascript
+var xml = "<book author='J. K. Rowling'><title>Harry Potter</title></book>";
+var doc = new dom().parseFromString(xml, 'text/xml');
+var author = xpath.select1("/book/@author", doc).value;
+
+console.log(author);
+`````
+➡
+
+    J. K. Rowling
+
+[MDN]: https://developer.mozilla.org/en/docs/Web/API/Document/evaluate
+
+## License
+MIT