test => pipelining single function
test => pipelining with obj only
test => pipelining chain
test => compose empty functions
test => compose single function
test => compose chain
test => collect fns in compose()
fix bug => compose function order
refactoring => add parameters info
Merge branch 'pipelining_and_composing_functions' into master
add test into all-tests.html
test => root only
test => empty processes
refactoring => remove duplication
test => simple tree
refactoring => evict processed processes
test => complex tree
refactoring => merge statements
test => processes in order
test => side effect:can't modified parameters