* minor comments edit, whitespace change

* first set of tiledb_query functions

* added set subarray and extended quickstart examples

* small documentaion and code alignment

* Updates to NEWS.md

* Add Query buffer support for other types

* updated examples 2 and 3

* Added query functionality, renamed one helper, added range setter

* Extended ex_3

* Moved four array functions from Utils.R to Array.R

* Add names and types getters for schema

* Add range given name

* Improved wording on function argument help

* Update example 4

* Update example 5 (with a little todo for variable char bufs)

* Update example 6

* Update example 7

* Update example 8

* Small documentation enhancement

* Add query layout getter, correct name of setter

* Add Query tests

* Correct to *set_layout()

* Make one more test function conditional on TileDB >= 2.0.0

* Skip one more test for TileDB < 2.0.0

* Add test for subarray