Fix #1557

[paf31]

/cc @garyb

Example message:

Error found:
Error in module M1:
--------------------------------------------------------------------------------
Error in value declaration compose:
--------------------------------------------------------------------------------
Error at test.purs line 4, column 15 - line 4, column 19:
--------------------------------------------------------------------------------
Error checking type of property accessor

  g."f"

--------------------------------------------------------------------------------
Error checking that expression

  g

has type

  { f :: _0 -> _1
  | _2
  }

--------------------------------------------------------------------------------
Error while trying to match type

  Object

with type

  Function _3

--------------------------------------------------------------------------------
Could not match expected type

  Object

with actual type

  Function _3

--------------------------------------------------------------------------------

This commit also removes some stuff to do with the order in which hints get rendered, because it was almost always wrong.

Also, how do you like the line breaks? This commit doesn't include them, but I'm trying to find a nice way to vertically separate different bits in an error message. Another option might be to indent pieces and punctuate them with something like "Caused by:"