diff --git a/package-lock.json b/package-lock.json
index 3361827..d2fa95f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,10 +5,13 @@
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-      "integrity": "sha1-ox10JBprHtu5c8822XooloNKUfk=",
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@@ -48,9 +51,9 @@
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@@ -59,9 +62,9 @@
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-      "integrity": "sha1-//Qf67BBXDJktr8D7eFjXLMbW4I=",
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@@ -69,9 +72,9 @@
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-      "integrity": "sha1-Jy4pgiA2Vxfh9/l5tQ6620QpfL8=",
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@@ -87,9 +90,9 @@
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-      "integrity": "sha1-em8T6PI/9by6rsSEiIQAsqRCe0E=",
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+      "resolved": "https://registry.npmjs.org/@types/mustache/-/mustache-0.8.30.tgz",
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@@ -99,9 +102,9 @@
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-      "integrity": "sha1-atD3ODE24TklMi5p/EHbd7MLIHU=",
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@@ -160,9 +163,9 @@
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-      "integrity": "sha1-kfjiWAqAgwSfeDEcBZqlfWlJ32s=",
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@@ -239,6 +242,15 @@
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@@ -262,6 +274,15 @@
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@@ -514,6 +535,36 @@
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@@ -1108,6 +1159,12 @@
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@@ -1957,6 +2014,16 @@
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@@ -2000,9 +2067,9 @@
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@@ -2023,6 +2090,27 @@
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@@ -2125,6 +2213,12 @@
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@@ -2134,15 +2228,39 @@
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@@ -2196,6 +2383,12 @@
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@@ -2720,6 +2913,12 @@
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@@ -3686,9 +3885,21 @@
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-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "ansi-regex": "3.0.0"
           }
         },
-        "load-json-file": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
-          "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
+        "yargs-parser": {
+          "version": "9.0.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-9.0.2.tgz",
+          "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "parse-json": "2.2.0",
-            "pify": "2.3.0",
-            "strip-bom": "3.0.0"
+            "camelcase": "4.1.0"
           }
-        },
-        "path-type": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/path-type/-/path-type-2.0.0.tgz",
-          "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
-          "dev": true,
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-          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
-          "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
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-          "requires": {
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-            "normalize-package-data": "2.4.0",
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-          "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
-          "dev": true,
-          "requires": {
-            "find-up": "2.1.0",
-            "read-pkg": "2.0.0"
-          }
-        },
-        "strip-bom": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
-          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
-          "dev": true
         }
       }
     },
diff --git a/src/icons/svgs/folder_gulp.svg b/src/icons/svgs/folder_gulp.svg
index 8c33fdc..e3c7c9c 100644
Binary files a/src/icons/svgs/folder_gulp.svg and b/src/icons/svgs/folder_gulp.svg differ
diff --git a/test/source.php b/test/source.php
index 387254a..c20c54a 100644
--- a/test/source.php
+++ b/test/source.php
@@ -1,4 +1,57 @@
 <?php
 /**
 function hello($world) {}
-*/
\ No newline at end of file
+*/
+
+// base class with member properties and methods
+class Vegetable {
+
+   var $edible;
+   var $color;
+
+   Something::class;
+   SomeThing::class;
+
+   function Vegetable($edible, $color="green")
+   {
+       $this->edible = $edible;
+       $this->color = $color;
+   }
+
+   function is_edible()
+   {
+       return $this->edible;
+   }
+
+   function what_color()
+   {
+       return $this->color;
+   }
+
+} // end of class Vegetable
+
+// extends the base class
+class Spinach extends Vegetable {
+
+
+   var $cooked = false;
+
+   function Spinach()
+   {
+       $this->Vegetable(true, "green");
+   }
+
+   function cook_it()
+   {
+       $this->cooked = true;
+   }
+
+   function is_cooked()
+   {
+       return $this->cooked;
+   }
+
+} // end of class Spinach
+
+?>
+