Merge branch 'chris-dudley-updateignore-handle-comments-whitespace' into python3

Author: kemayo

git.py

@@ -489,7 +489,9 @@ def run(self, edit):
                         folder["file_exclude_patterns"] = []
                     for pattern in gitignore_file:
                         pattern = pattern.strip()
-                        if os.path.isdir(os.path.join(path, pattern)):
+                        if len(pattern) == 0 or pattern[0] == '#':
+                            continue
+                        elif os.path.isdir(os.path.join(path, pattern)):
                             if pattern not in folder["folder_exclude_patterns"]:
                                 folder["folder_exclude_patterns"].append(pattern)
                         else: