Update caching to enable key prefixing, reformat entire package

• chore: Reformat utils package to use 2 space indents

• chore: Reformat testing package with 2 space indents

• chore: Update persistence packages to use 2 space indents

• chore: Reformat efservices package with 2 space indents

• chore: reformat HTTP package to 2 space indents

• chore: reformat the core package

• feat: Update caching to enable optional key prefixing, update formatting

This change also includes a lot of white changes to standardize on our new 2 space formatting style to be consistent with our other code bases.

• fix: Update jacoco coverage to properly check cache package

• chore: Start 1.3.2 snapshot release