diff --git a/stellarisdashboard/config.py b/stellarisdashboard/config.py
index dd00342..e590970 100644
--- a/stellarisdashboard/config.py
+++ b/stellarisdashboard/config.py
@@ -96,7 +96,9 @@ class Config:
     save_name_filter: str = None
     read_only_every_nth_save: int = None
 
-    only_read_player_history = False
+    only_read_player_history: bool = None
+
+    debug_mode: bool = False
 
     PATH_KEYS = {
         "base_output_path",
diff --git a/stellarisdashboard/token_value_stream_re.py b/stellarisdashboard/token_value_stream_re.py
index 40bfb3c..90b2465 100644
--- a/stellarisdashboard/token_value_stream_re.py
+++ b/stellarisdashboard/token_value_stream_re.py
@@ -1,13 +1,13 @@
 import re
 
-WHITESPACE = re.compile('[\t\n ]*')
-EQ = re.compile('=')
-BR_OPEN = re.compile('{')
-BR_CLOSE = re.compile('}')
-Q_STR = re.compile('"((\\\\\")|[^"])*"')
-IDENTIFIER = re.compile('[0-9_]*[a-zA-Z_]+[a-zA-Z0-9_:]*')
-FLOAT = re.compile('-?[0-9]+\.[0-9]*')
-INT = re.compile('-?[0-9]+')
+WHITESPACE = re.compile(r'[\t\n ]*')
+EQ = re.compile(r'=')
+BR_OPEN = re.compile(r'{')
+BR_CLOSE = re.compile(r'}')
+Q_STR = re.compile(r'"((\\")|[^"])*"')
+IDENTIFIER = re.compile(r'[0-9_]*[a-zA-Z_]+[a-zA-Z0-9_:]*')
+FLOAT = re.compile(r'-?[0-9]+\.[0-9]*')
+INT = re.compile(r'-?[0-9]+')
 
 REG_EXES = [
     BR_OPEN,