buildout.cfg: changed isolated python version to v2.7.6.12
buildout.cfg: changed isolated python version to v2.7.6.13
fixed segv caused by new LRU, and also potential segv when cleaning up trace dumpers
fix path lookup for built ctracing in benchmark_test and PEP8 in test_file_trace
Project files re-organization, all tests should execute now.
fixed memleak in LRU
make test_file_trace more nose friendly
added some sleep when testing so no overflow will occur
Finished release v0.2.4.