Since the maximum amount of displayed suggestions is set at 5, it makes
sense to limit the query to a maximum of 5. This speeds up the query
significantly which makes queries more responsive.
* remove all trailing spaces
* some files used spaces instead of tabs like the rest of codebase - fixed
* make use of IDE "optimize import" feature
* make use of IDE "auto format" feature to fix some missing spaces here and there
Anthony Restaino