Made script work with both 2.7 and 3

Hexchat/README.md

@@ -2,7 +2,7 @@
 
 ### Installation
 
-* Make sure Hexchat is installed with the Python 3 plugin
+* Make sure Hexchat is installed with the Python plugin (both 2 and 3 supported)
 * Install the [teknik](https://git.teknik.io/Teknikode/Teknik-Python) module
   * `pip install teknik`
 * Copy the scripts to the 'addon' folder for Hexchat
@@ -10,4 +10,6 @@
 
 ### Usage
 
-To use it, simply type `/teknik` which will bring up a file dialog prompt.  Select the file you want to upload, and then once it's done, the generated link will be put into the input box of hexchat.
+To use it, simply type `/teknik upload` which will bring up a file dialog prompt.  Select the file you want to upload, and then once it's done, the generated link will be put into the input box of hexchat.
+
+You can also manually specify the file to upload as an argument, and set addon configuration settings.

Hexchat/teknik.py

@@ -4,22 +4,29 @@ __module_description__ = "Interact with the Teknik Services, including file uplo
 
 import_success = True
 
-import tkinter as tk
-from tkinter.filedialog import askopenfilename
+try:
+  import Tkinter as tk
+except ImportError:
+  import tkinter as tk
+
+try:
+  from tkinter.filedialog import askopenfilename
+except ImportError:
+  from tkFileDialog import askopenfilename
 
 try:
-    import hexchat
+  import hexchat
 except ImportError:
-    print('This script must be run under Hexchat.')
-    print('Get Hexchat now at: https://hexchat.github.io/')
-    import_ok = False
+  print('This script must be run under Hexchat.')
+  print('Get Hexchat now at: https://hexchat.github.io/')
+  import_success = False
 
 # Requires Install
 try:
-    from teknik import uploads as teknik
+  from teknik import uploads as teknik
 except ImportError as e:
-    print('Missing package(s) for %s: %s' % (__module_name__, e))
-    import_ok = False
+  print('Missing package(s) for %s: %s' % (__module_name__, e))
+  import_success = False
 
 def teknik_prompt():
   # Prompt for a file