DeleteSliceIndex deletes item at idx while preventing index errors.

DeleteSliceValue deletes all occurances of v from s.

InSliceSli returns true if s is in column c in l.

InSliceStr returns true if s is in l.

SliceCount returns the number of occurances of v in s.

SliceIndex returns the first index of v in l.

TitleCase manually converts term to title case (strings.Title is buggy).