Add an assertion that the source for read-content exists.
Update to snapshot version of io.aviso:pretty
Initial work on support Jade includes
Enable pretty REPL exceptions
Track dependencies properly when compiling Jade source files

Add additional tests for compiled assets
Minor refactoring of how dependency information is extracted and stored
Eliminate the use of a dynamic var to store dependencies, pass the atom around instead
Setup version number for release
Fix some problems in the docs