* fix casing
* remove redundant type conversions
* remove unnecessary append
x = append(y) is equivalent to x = y
* fix grammar and spelling
* rename file to enforce consistent casing with other READMEs in this repo
This commit introduces a breaking change in the diode API in order to
hide the diodes package interface. This removes a good number of
dependencies introduced by the test framework used by the diodes
package.