ProcessManager: running/stopped -> active/inactive (refs #64 #65)
ProcessManager: principle
Data.String: fix infinite loop if a:from is part of a:to
Merge pull request #66 from deris/fix/infiniteloop

Data.String: fix infinite loop if a:from is part of a:to
ProcessManager: it missed dependency declaration
Add limit argument to flatten
Add tests for flatten
Merge pull request #68 from vim-jp/flatten

Second argument for flatten()