Added extruder/bed temp override settings

Closes #4

migrations/script.py.mako

@@ -1,4 +1,4 @@
-"""${message}-
+"""${message}.
 
 Revision ID: ${up_revision}
 Revises: ${down_revision | comma,n}
@@ -7,7 +7,6 @@ Create Date: ${create_date}
 import sqlalchemy as sa
 from alembic import op
 ${imports if imports else ""}
-
 # revision identifiers, used by Alembic.
 revision = ${repr(up_revision)}
 down_revision = ${repr(down_revision)}