Fix getPressure protocol so it works even if there are no status characters

Author: MarkRivers

ipApp/Db/Alicat_PCD.proto

@@ -34,7 +34,7 @@ setRamp {
 
 getPressure {
    out "\$1";
-   in  "\$1 %f %(\$2)f %(\$3)40c";
+   in  "\$1 %f %(\$2)f%(\$3)40c";
 }
 
 getMaxPressure {