Add minus sign rectification in output

SA_DB_StringFormatRules.plist

 		<key>SA_DB_VALID_OPERATOR_CHARACTERS</key>
 		<dict>
 			<key>SA_DB_OPERATOR_MINUS</key>
-			<string>-–−</string>
+			<string>-–−﹣－</string>
 			<key>SA_DB_OPERATOR_PLUS</key>
 			<string>+</string>
 			<key>SA_DB_OPERATOR_TIMES</key>
 		<key>SA_DB_CANONICAL_OPERATOR_REPRESENTATIONS</key>
 		<dict>
 			<key>SA_DB_OPERATOR_MINUS</key>
-			<string>-</string>
+			<string>−</string>
 			<key>SA_DB_OPERATOR_PLUS</key>
 			<string>+</string>
 			<key>SA_DB_OPERATOR_TIMES</key>
-			<string>*</string>
+			<string>×</string>
 		</dict>
 		<key>SA_DB_CANONICAL_ROLL_COMMAND_DELIMITER_REPRESENTATION</key>
 		<string>d</string>

SA_DiceExpressionStringConstants.h

 
 // The value for the key SA_DB_CANONICAL_ROLL_COMMAND_DELIMITER_REPRESENTATION
 // is the canonical representation of the die roll command delimiter.
-extern NSString * const SA_DB_CANONICAL_ROLL_COMMAND_DELIMITER_REPRESENTATION;
+extern NSString * const SA_DB_CANONICAL_ROLL_COMMAND_DELIMITER_REPRESENTATION;

SA_DiceFormatter.m

 		}
 	}
 	
-	return formattedString;
+	// Make all instances of the minus sign be represented with the proper,
+	// canonical minus sign.
+	return [self rectifyMinusSignInString:formattedString];
 }
 
 - (NSString *)legacyStringFromIntermediaryExpression:(NSDictionary *)expression
 		[formattedString appendFormat:@"ERROR"];
 	}
 	
-	return formattedString;
+	// Make all instances of the minus sign be represented with the proper,
+	// canonical minus sign.
+	return [self rectifyMinusSignInString:formattedString];
 }
 
 /****************************/
 #pragma mark - Helper methods
 /****************************/
 
+- (NSString *)rectifyMinusSignInString:(NSString *)aString
+{
+	__block NSMutableString* sameStringButMutable = aString.mutableCopy;
+	NSLog(@"%@", sameStringButMutable);
+	
+	NSString *validMinusSignCharacters = [SA_DiceFormatter stringFormatRules][SA_DB_VALID_CHARACTERS][SA_DB_VALID_OPERATOR_CHARACTERS][SA_DB_OPERATOR_MINUS];
+	NSString *theRealMinusSign = [SA_DiceFormatter canonicalRepresentationForOperator:SA_DB_OPERATOR_MINUS];
+	
+	[validMinusSignCharacters enumerateSubstringsInRange:NSMakeRange(0, validMinusSignCharacters.length) 
+												 options:NSStringEnumerationByComposedCharacterSequences 
+											  usingBlock:^(NSString *character, NSRange characterRange, NSRange enclosingRange, BOOL *stop)
+	 {
+		 [sameStringButMutable replaceOccurrencesOfString:character withString:theRealMinusSign options:NSLiteralSearch range:NSMakeRange(0, sameStringButMutable.length)];
+	 }];
+	NSLog(@"%@", sameStringButMutable);
+	
+	return sameStringButMutable.copy;
+}
+
 + (void)loadErrorDescriptions
 {
 	NSString* errorDescriptionsPath = [[NSBundle bundleForClass:[self class]] pathForResource:@"SA_DB_ErrorDescriptions" ofType:@"plist"];