update dependency after merge from master

node_modules/xpath/.npmignore

@@ -1 +0,0 @@
-node_modules/

node_modules/xpath/LICENSE

@@ -0,0 +1,22 @@
+MIT License 
+
+Copyright (c) 2018 Cameron McCormack 
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/xpath/docs/XPathEvaluator.md

@@ -2,15 +2,15 @@
 
 The `xpath.parse()` method returns an `XPathEvaluator`, which contains the following methods.
 
-Each of these methods takes an optional `options` object, which can contain any of the following properties:
+Each of these methods takes an optional `options` object, which can contain any of the following properties. See the links for each item for further details:
 
-`namespaces` - a namespace resolver. See the [documentation page](namespace%20resolvers.md) for details.
+- `namespaces` - a [namespace resolver](namespace%20resolvers.md)
 
-`variables` - a variable resolver. See the [documentation page](variable%20resolvers.md) for details.
+- `variables` - a [variable resolver](variable%20resolvers.md)
 
-`functions` - a function resolver. See the [documentation page](function%20resolvers.md) for details.
+- `functions` - a [function resolver](function%20resolvers.md)
 
-`node` - the context node for evaluating the expression
+- `node` - the context node for evaluating the expression
 
 Example usage: 
 
@@ -56,7 +56,7 @@ This is only valid for expressions that evaluate to a node set.
 
 `select1([options])`
 
-Evaluates the XPath expression and the first node in the resulting node set, in document order. Returns `undefined` 
+Evaluates the XPath expression and the first node in the resulting node set, in document order. Returns `undefined` if the resulting node set is empty. 
 
 This is only valid for expressions that evaluate to a node set.
 

node_modules/xpath/docs/function resolvers.md

@@ -31,11 +31,11 @@ Example usage:
 ```js
 var evaluator = xpath.parse('squareRoot(10)');
 var aboutPi = evaluator.evaluateNumber({
-	functions: {
-		'squareRoot': function (c, value) {
-			return Math.sqrt(value.numberValue());
-		}
-	}
+    functions: {
+        'squareRoot': function (c, value) {
+            return Math.sqrt(value.numberValue());
+        }
+    }
 });
 ```
 
@@ -49,13 +49,13 @@ Example usage:
 ```js
 var evaluator = xpath.parse('math:squareRoot(10)');
 var aboutPi = evaluator.evaluateNumber({
-	functions: function (name, namespace) {
+    functions: function (name, namespace) {
         if (name === 'squareRoot' && namespace === 'http://sample.org/math/') {
-		    return function (c, value) {
-		    	return Math.sqrt(value.numberValue());
-		    };
+            return function (c, value) {
+                return Math.sqrt(value.numberValue());
+            };
         }
-	},
+    },
     namespaces: {
         math: 'http://sample.org/math/'
     }
@@ -72,14 +72,14 @@ Example usage:
 ```js
 var evaluator = xpath.parse('math:squareRoot(10)');
 var aboutPi = evaluator.evaluateNumber({
-	functions: {
+    functions: {
         getFunction: function (name, namespace) {
             if (name === 'squareRoot' && namespace === 'http://sample.org/math/') {
-		        return function (c, value) {
-		    	    return Math.sqrt(value.numberValue());
-		        };
+                return function (c, value) {
+                    return Math.sqrt(value.numberValue());
+                };
             }
-	    }
+        }
     },
     namespaces: {
         math: 'http://sample.org/math/'

node_modules/xpath/package.json

@@ -1,13 +1,38 @@
 {
-  "name": "xpath",
-  "version": "0.0.27",
-  "description": "DOM 3 XPath implemention and helper for node.js.",
-  "engines": {
-    "node": ">=0.6.0"
+  "_args": [
+    [
+      "xpath@0.0.29",
+      "."
+    ]
+  ],
+  "_from": "xpath@0.0.29",
+  "_id": "xpath@0.0.29",
+  "_inBundle": false,
+  "_integrity": "sha512-W6vSxu0tmHCW01EwDXx45/BAAl8lBJjcRB6eSswMuycOVbUkYskG3W1LtCxcesVel/RaNe/pxtd3FWLiqHGweA==",
+  "_location": "/xpath",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "xpath@0.0.29",
+    "name": "xpath",
+    "escapedName": "xpath",
+    "rawSpec": "0.0.29",
+    "saveSpec": null,
+    "fetchSpec": "0.0.29"
   },
+  "_requiredBy": [
+    "/"
+  ],
+  "_resolved": "https://registry.npmjs.org/xpath/-/xpath-0.0.29.tgz",
+  "_spec": "0.0.29",
+  "_where": ".",
   "author": {
     "name": "Cameron McCormack"
   },
+  "bugs": {
+    "url": "https://github.com/goto100/xpath/issues"
+  },
   "contributors": [
     {
       "name": "goto100"
@@ -17,26 +42,28 @@
     }
   ],
   "dependencies": {},
+  "description": "DOM 3 XPath implemention and helper for node.js.",
   "devDependencies": {
-    "nodeunit": ">=0.6.4",
     "xmldom": "^0.1.19"
   },
-  "typings": "./xpath.d.ts",
-  "scripts": {
-    "test": "./node_modules/.bin/nodeunit test.js"
+  "engines": {
+    "node": ">=0.6.0"
   },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/goto100/xpath.git"
-  },
-  "main": "./xpath.js",
+  "homepage": "https://github.com/goto100/xpath#readme",
   "keywords": [
     "xpath",
     "xml"
   ],
-  "license": "MIT"
-
-,"_resolved": "https://registry.npmjs.org/xpath/-/xpath-0.0.27.tgz"
-,"_integrity": "sha512-fg03WRxtkCV6ohClePNAECYsmpKKTv5L8y/X3Dn1hQrec3POx2jHZ/0P2qQ6HvsrU1BmeqXcof3NGGueG6LxwQ=="
-,"_from": "xpath@0.0.27"
-}
+  "license": "MIT",
+  "main": "./xpath.js",
+  "name": "xpath",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/goto100/xpath.git"
+  },
+  "scripts": {
+    "test": "mocha"
+  },
+  "typings": "./xpath.d.ts",
+  "version": "0.0.29"
+}

node_modules/xpath/xpath.d.ts

@@ -1,9 +1,11 @@
+/// <reference lib="dom" />
+
 type SelectedValue = Node | Attr | string | number | boolean;
 interface XPathSelect {
     (expression: string, node?: Node): Array<SelectedValue>;
-    (expression: string, node: Node, single: true): SelectedValue;
+    (expression: string, node: Node, single: true): SelectedValue | undefined;
 }
 export var select: XPathSelect;
-export function select1(expression: string, node?: Node): SelectedValue;
-export function evaluate(expression: string, contextNode: Node, resolver: XPathNSResolver, type: number, result: XPathResult): XPathResult;
+export function select1(expression: string, node?: Node): SelectedValue | undefined;
+export function evaluate(expression: string, contextNode: Node, resolver: XPathNSResolver | null, type: number, result: XPathResult | null): XPathResult;
 export function useNamespaces(namespaceMap: { [name: string]: string }): XPathSelect;