test: started to implement unit testing for naga
test: implement TestCpu.test_basic()
 * split tests into seperate classes
 * add test/stat/basic.txt
cleanup based on pylint output
added Makefile
update README
network:start to implement
implement NagaExit class to improve testability
test: implement tests of finish()
fix bug with warn/crit in finish()
refactor finish() to use NagaExit
cleanup some dead code and refactor exits to use NagaExit
add --special option to optparse
some refactoring in main()
Add info types and special arguments to help, other minor fixes.
filesystem: use special argument
cpu: start to implement using special argument
cpu: now implements cpu specification
 * returns error if invalid cpu given
 * defaults to 'cpu' which is total
test: move static testfiles to test/static
load: add core count to output for clarity
fix: remove start=None from disk()