** Added tests to look for .o and .hi files, as well as libHStest in destdir
** Added a handful of tests for sdist, and checked to see if sdist directory exists
** moved temporary sdist location from dist/build to dist/src
** added a prefix to several of the commands, so they know where to put files
*** build  -- dist/build
*** install -- both dist/build and install-prefix
*** sdist -- dist/src and target directory, dist
** chaged ar command to output libHS file in correct place