pip 8 and improve author name extraction

.gitignore

@@ -46,6 +46,11 @@ Temporary Items
 # Local History for Visual Studio Code
 .history/
 
+####################################
+# IntelliJ
+####################################
+.idea/*
+
 ####################################
 # Python
 ####################################

automation/mdms.py

@@ -66,7 +66,8 @@ class MDMSParser:
                 return []
         return meetings
 
-    def parse_author_entry(self, author_entry):
+    @staticmethod
+    def parse_author_entry(author_entry):
         """
         Search entry string for an email, remove it from the name and clean up
         Return a tuple('name', 'email')
@@ -75,18 +76,19 @@ class MDMSParser:
         if len(author_entry) == 0:
             return None
         email = None
-        match = re.search(r'[\w\.-]+@[\w\.-]+', author_entry)
+        match = re.search(r'[\w.-]+@[\w.-]+', author_entry)
         if match:  # email found
             email = match.group(0)
             author_entry = author_entry.replace(email, '')  # remove email from the name
         # remove everything what is inside () or []
-        author_entry = re.sub(r'[\(\[].*?[\)\]]', '', author_entry)
-        # remove all non ASCII characters
-        author_entry = re.sub(r'[^\x00-\x7F]+', '', author_entry)
+        author_entry = re.sub(r'[(\[].*?[)\]]', '', author_entry)
+        # remove everything which is not a letter and space
+        author_entry = re.sub(r'[^a-zA-Z\s]+', '', author_entry)
         author_entry = author_entry.strip()
         return author_entry, email
 
-    def try_parsing_date(self, text):
+    @staticmethod
+    def try_parsing_date(text):
         """
         Try parsing the timestamp, if not possible return None
         """
@@ -288,7 +290,8 @@ class MDMSParser:
                         timestamp = self.try_parsing_date(entry[pos2 + 6:pos3])
         return details
 
-    def check_table_header(self, template, header_row):
+    @staticmethod
+    def check_table_header(template, header_row):
         """
         Check if header_row contains the same data as the template
         """