Initial commit - fix problems & refactor code

core/parser/clean_string.py

@@ -0,0 +1,10 @@
+from core.environment import IGNORE
+
+def cleanString(s: str, ignore: str = IGNORE) -> str:
+    s = s.lstrip(ignore)
+    while s and s[0] == ';':
+        line_end: int = s.find('\n')
+        if line_end < 0:
+            return ''
+        s = s[line_end:].lstrip(ignore)
+    return s