fix multiline `;` in one line case and rewrite regex curly bracket case.

fix multiline `;` in one line case  and rewrite regex curly bracket case.

nginxfmt.py

@@ -66,12 +66,16 @@ def clean_lines(orig_lines) -> list:
         else:
             if line.startswith("#"):
                 cleaned_lines.append(strip_variable_template_tags(line))
-            elif line.startswith("rewrite"):
+            else:
+                if line.count(";") > 1:
+                    newlines = line.split(";")
+                    cleaned_lines.extend(clean_lines(["".join([ln, ";"]) for ln in newlines if ln != ""]))
+                else:
+                    if line.startswith("rewrite"):
                         cleaned_lines.append(strip_variable_template_tags(line)) 
                     else:
                         cleaned_lines.extend(
                             [strip_variable_template_tags(l).strip() for l in re.split(r"([{}])", line) if l != ""])
-
     return cleaned_lines