Merge pull request #128 from termoshtt/replace_option

Add --replace option in dpmanip
Write doctest
Merge pull request #131 from termoshtt/rc_hotfix

Fix an error in dp.rc.load
Merge pull request #129 from termoshtt/normalize_pipe

normalize pipe
Remove default specifier from _dpserver using sed
Merge pull request #126 from termoshtt/dpserver

Rename server.py into dpserver and use rc.py
Introduce nodes.update

fix doc

Conflicts:
	lib/dataprocessor/nodes.py
Add new strategy "raise"

Revise tests for dp.nodes
Revise update strategy in dp.io
Revise update strategy in pipes.add_node

Revise test for pipes.add_node
Add merge_nodelist pipe
Add "spec" keyword for pipes_dict
Add new keyword "parameter" for show_runs pipe using "spec" new keyword
Merge branch 'pipe_nargs' into develop
Merge branch 'revised_update_strategy' into develop
Merge branch 'merge_nodelist' into develop