fix crash with slider

contrib/mobile/iOS/Onelab/Onelab-Info.plist

@@ -35,11 +35,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.4</string>
+	<string>1.0.5</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1.0.4</string>
+	<string>1.0.5</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UIFileSharingEnabled</key>

contrib/mobile/iOS/Onelab/ParametersViewController.mm

@@ -112,7 +112,10 @@
     ParameterNumberStepper *param = [[ParameterNumberStepper alloc] initWithNumber:p];
     [section addObject:param];
   }
-  else if(p.getMin() == p.getMax() || p.getReadOnly()) { // text box
+  else if(p.getMin() >= p.getMax() ||
+          p.getMin() == -onelab::number::maxNumber() ||
+          p.getMax() == onelab::number::maxNumber() ||
+          p.getReadOnly()) { // text box
     ParameterNumberTextbox *param = [[ParameterNumberTextbox alloc] initWithNumber:p];
     [section addObject:param];
   }