Minor updates

cspc

@@ -23,7 +23,7 @@ class c:
     white = '\033[1;37m'
     end = '\033[0m'
 
-db_path = './cspc.sqlite'
+db_path = '/usr/local/share/cspc/db/cspc'
 userdir = os.path.expanduser('~')
 user = os.path.split(userdir)[-1]
 topic = None
@@ -128,17 +128,15 @@ def parse_command(com):
     global messages
 
     comlist = ['add', 'help', 'quit', 'back']
-    if com == 'back':
+    if com in ['back', 'b']:
         go_back()
-    elif com == 'help':
+    elif com in ['help', '?', 'h']:
         show_help()
     elif com in ['quit', 'q', 'exit']:
         set_last_log()
         sys.exit(0)
-    elif com == 'add':
+    elif com == ['add', 'a', 'new']:
         make_add()
-    elif com == 'rm':
-        make_delete()
     else:
         try:
             ident = int(com)
@@ -339,6 +337,10 @@ def mainloop():
 
 if __name__ == '__main__':
     signal.signal(signal.SIGINT, signal.SIG_IGN)
-    check_and_build_db()
+    try:
+        check_and_build_db()
+    except sql.OperationalError:
+        print("No cspc instance installed. Is the database path valid?")
+        sys.exit(2)
     get_last_log()
     mainloop()