Implement 'manip' API
Add a tester HTML for 'manip' API
Add install subcommand in server.py to download jQuery
Implement pipe API
Fix to use POST in HTTP
Merge remote-tracking branch 'kenbeese/DataProcessorServer' into API_manip

Conflicts:
	.gitignore
Add error check
Write documents
Merge branch 'DataProcessorServer' into API_pipe

Conflicts:
	.gitignore
Add a method `get(name)` in handler.Request
Merge branch 'API_manip' into API_pipe
Add more comment
Fix error check
Write short docstrings
Bug fix
Minor change to unify format.
Merge pull request #39.
Unify the format in pull request #40.
Merge pull request #40.
Merge branch 'DataProcessorServer' into html_class