Support namespaces as strings in require statements

Ability to track files that are not namespaces

File in invalid path will mark namespace for reload

scan-dirs / scan-all can return incorrect dependencies when both clj and cljc files define same namespace

c.t.n.move: does not support to move .cljc files

Attempt to reload deleted file

Generating namespace forms

`require :reload` fails where `load-file` succeeds

Show full path for circular dependency exceptions

Add project.clj for easier development

ns-decl? treats (ns) as valid

Single classpath argument for c.t.n.move

Broken tracker after mis-named namespace