Crate errer

Traits

ErrorCompat	A compabitility trait that implements std::error::Error but only when Self implements Display + Debug
ErrorContext	Reverse implemented for Result<T, E> where E: IntoErrorContext
IntoErrorContext	A trait that takes a context + self to produce a target. This is useful for errors that depend on a context, or when used to generate errors from a context and error (see: ErrorContext).
PrintError	A relatively simple utility trait for printing more complicated errors.