Apply suggestions from code review

Author: adfoster-r7

documentation/modules/exploit/windows/http/pgadmin_binary_path_api.md

@@ -27,6 +27,7 @@ For a production setup, a server like Apache should be setup to run pgAdmin thro
 1. [Download][1] and install the Windows build
 1. Copy the `config_distro.py` file to `config_local.py`
 1. Edit `config_local.py` and set `SERVER_MODE` to `True`
+1. Edit `config_local.py` and add `DEFAULT_SERVER = '0.0.0.0'` to bind on all IPs, required for remotely exploiting from a different machine
 1. Initialize the database: `..\python\python.exe setup.py setup-db`
 1. Create an initial user account: `..\python\python.exe setup.py add-user --admin [email protected] 123456`
 1. Run the application: `..\python\python.exe pgAdmin4.py`

modules/exploits/windows/http/pgadmin_binary_path_api.rb

@@ -108,7 +108,7 @@ def get_version
     else
       res = send_request_cgi('uri' => normalize_uri(target_uri.path, 'browser/'), 'keep_cookies' => true)
     end
-    html_document = res.get_html_document
+    html_document = res&.get_html_document
     return unless html_document && html_document.xpath('//title').text == 'pgAdmin 4'
 
     # there's multiple links in the HTML that expose the version number in the [X]XYYZZ,