Integrate two bug fixes (#89)

Fix two simple bugs. I did not create separate issues for these two...
- CWOPS CWT: fix problem reading CWOPSNUM from a bad .INI file (Coded by W7SST)
- Convert callsign to upper case when using "Setup | Call..." (Coded by W7SST)

Ini.pas

@@ -204,7 +204,7 @@ procedure FromIni;
       MainForm.SetBw(ReadInteger(SEC_STN, 'BandWidth', 9));
 
       HamName := ReadString(SEC_STN, 'Name', '');
-      CWOPSNum :=  ReadString(SEC_STN, 'cwopsnum', '');
+      CWOPSNum :=  ReadString(SEC_STN, 'cwopsnum', CWOPSNum);
 
       MainForm.UpdCWMaxRxSpeed(ReadInteger(SEC_STN, 'CWMaxRxSpeed', MaxRxWpm));
       MainForm.UpdCWMinRxSpeed(ReadInteger(SEC_STN, 'CWMinRxSpeed', MinRxWpm));

Main.pas

@@ -1778,7 +1778,8 @@ procedure TMainForm.PostHiScore(const sScore: string);
 //------------------------------------------------------------------------------
 procedure TMainForm.Call1Click(Sender: TObject);
 begin
-  SetMyCall(Trim(InputBox('Callsign', 'Callsign', Edit4.Text)));
+  // UI assumes uppercase only, so convert user's callsign to uppercase.
+  SetMyCall(UpperCase(Trim(InputBox('Callsign', 'Callsign', Edit4.Text))));
 end;