message: Clarifying that accessors should use camel case too
diff: additional error handing that cannot possibly happen in the case an exception is thrown.
  * References are always preferred over pointers when the reference cannot be null. This
  includes both const and non-const references.
  -* Function names using camel case starting with a lower case letter (e.g., `doFoo()`).
  +* Function names should all use camel case starting with a lower case letter (e.g., `doFoo()`).
  * Struct/Class member variables have a `_` postfix (e.g., `int foo_;`).
  * Enum values using PascalCase (e.g., `RoundRobin`).
  * 100 columns is the line limit.
  