bumped dev version to 0.5
Fixed tranvis build by excluding changelog.py from tests (missing dependency)
make sure doc string tabs are replaced with spaces for save parsing (Issue #24)
handle script files with . in the name properly (Issue #23)
Added attribute setting and getting for options (Issue #26)
Fixed issue with the order of working directories applied to jobs (Issue #29)
Made Node.depends_on support multiple parents (Issue #27)
Fixed another issue with pipeline cwd and initialize cwd now lazily
Fixed detection of global configuration (Issue #34)
added missing output file (Issue #30)
Enabled overwriting threads for single job pipeline (Issue #6)
Added test and example for fanin pipeline
Added profile docs
Updated profile support of pipeline to used specs (Issue #4)
Added dynamic options for tools at runtime (Issue #35)
update x-product example
added alias for working dorectlry in profile
Fixed issue with log file base folder creation
Fixed typo in the setup docs and replaces max_time with time
updated intro