Include test data in sdist.

Fixes #104

Author: jrfonseca

MANIFEST.in

@@ -0,0 +1,21 @@
+recursive-include tests *.axe
+recursive-include tests *.callgrind
+recursive-include tests *.collapse
+recursive-include tests *.txt
+recursive-include tests *.callgrind
+recursive-include tests *.pstats
+recursive-include tests *.dtrace
+recursive-include tests *.hprof
+recursive-include tests *.json
+recursive-include tests *.leaked.json
+recursive-include tests *.maximum.json
+recursive-include tests *.oprofile
+recursive-include tests *.perf
+recursive-include tests *.prof
+recursive-include tests *.skorupski.prof
+recursive-include tests *.pstats
+recursive-include tests *.sleepy
+recursive-include tests *.sysprof
+recursive-include tests *.xperf
+include tests/pstats/function-list.orig.txt
+prune tests/pstats/function-list.testgen.txt