[src] Boilerplate for matrix
[src] Simple matrix implementation
[src][test] Introducing matrix tests
[src] Changing nomeclature of api to reflect actual operations
[src][test] Adding in a test for inserting into a vector at a specific index exactly once
[README] Fixing a typo so I don't look like a dingus
[src] Adding in a test to ensure that vectors inserting at an index will move the expected values down by one
[src][test] Adding in a test to make sure that insert_at works with vectors as intended