Merge pull request #103 from jtgoen/patch-1

Replace "−" with "-" in Assigment 3 tutorial text

exercises/003_assignment.zig

@@ -12,7 +12,7 @@
 //     var bar: u8 = 20;
 //
 // Example: foo cannot be negative and can hold 0 to 255
-//          bar CAN be negative and can hold −128 to 127
+//          bar CAN be negative and can hold -128 to 127
 //
 //     const foo: u8 = 20;
 //     const bar: i8 = -20;
@@ -26,7 +26,7 @@
 // You can do just about any combination of these that you can think of:
 //
 //     u32 can hold 0 to 4,294,967,295
-//     i64 can hold −9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
+//     i64 can hold -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
 //
 // Please fix this program so that the types can hold the desired values
 // and the errors go away!