binary-search: use generics

custom-set: use generics and tidy up tests

Update new exercise guide to mention version file

* '#925-addTopics'

* added topic for spiral-matrix

* added topic for spiral-matrix

* Update config.json

Add topics to list-ops exercise

Add rectangles topics to config

* added topics for run length encoding

* added changes for run length encoding

* formatting

* formatting

Triangle: Update tests to use canonical data

Close #936

Close #922

Changed the isosceles description back to the original.

* Add topics to forth. Fixes #851

* Add topics to forth. Fixes #851
* Add topics exception_handling, strings, lists, logic to forth

* Add topics to custom set. Fixes #937

* Add topics to custom set. Fixes #937
* Add generics to list of topics for custom set

* Add topics to binary search tree. Fixes #939

* Add topics to binary search tree. Fixes #939
* Add generics to topics for binary search tree
* Remove recursion from topics for binary search tree

Add topics to etl. Fixes #918

Move test version data to .meta dir

* #925 add topics to simple linked list exercise

* added exception_handling to topics for simple linked list

* added topics for book store

* added topic to book stores

* Issue #923 add topics to linked list

* Update linked-listst Topics with generics

* Added topics for sublist problem

* Added enumeration and generics to sublist topics

* Added topics for sublist problem

add topics for grade-school.  resolves #919

* added topics for robot-name

* added changes to topics for robot name 920

Add topics to Word Count exercise. Fixes #917

simple-linked-list: use generics

added topics for change

* Add topics to all-your-base problem

* Add exception_handling topic

Adding topics for saddle-points example