Update .gitignore file with a few more bits of junk.

.gitignore

@@ -1,5 +1,8 @@
+*.db
 *.pyc
+*.pyo
 *.o
+*.psp
 build-*
 .DS_Store
 runtime/.qmake.cache
@@ -7,8 +10,6 @@ runtime/Makefile
 runtime/moc_BrowserWindow.cpp
 runtime/moc_Server.cpp
 runtime/pgAdmin4.app/
-runtime/pgAdmin4.pro.user
-runtime/pgAdmin4.pro.user.2.7pre1
-runtime/pgAdmin4.pro.user.3.0-pre1
+runtime/pgAdmin4.pro.user*
 runtime/ui_BrowserWindow.h
 web/config_local.py