vimproc error on vitalize branch

error.log

Error detected while processing function neobundle#installer#install..<SNR>98_install..
<SNR>98_sync..<SNR>98_system..<SNR>100_system..vimproc#system..<SNR>92_system..vimproc#
pgroup_open..<SNR>92_pgroup_open..vimproc#plineopen3..<SNR>92_plineopen..<SNR>92_conver
t_args..vimproc#get_command_name:
line   16:
E121: Undefined variable: s:Filepath
E116: Invalid arguments for function vimproc#util#substitute_path_separator( s:Filepath
.which(command, path)), '//', '/', 'g'), '\n')
E116: Invalid arguments for function substitute(vimproc#util#substitute_path_separator(
 s:Filepath.which(command, path)), '//', '/', 'g'), '\n')
E116: Invalid arguments for function split(substitute(vimproc#util#substitute_path_sepa
rator( s:Filepath.which(command, path)), '//', '/', 'g'), '\n')
E15: Invalid expression: split(substitute(vimproc#util#substitute_path_separator( s:Fil
epath.which(command, path)), '//', '/', 'g'), '\n')
line   24:
E121: Undefined variable: files
E116: Invalid arguments for function get(files, 0, '')
E15: Invalid expression: get(files, 0, '')
line   26:
E121: Undefined variable: file
E15: Invalid expression: file == ''
line   31:
E121: Undefined variable: file
E116: Invalid arguments for function executable(file)
E15: Invalid expression: !executable(file)
line   36:
E121: Undefined variable: file
E116: Invalid arguments for function executable(file)
E15: Invalid expression: !vimproc#util#is_windows() && !executable(file)
line   41:
E121: Undefined variable: file
E15: Invalid expression: file
Error detected while processing function neobundle#installer#install..<SNR>98_install..
<SNR>98_sync..<SNR>98_system..<SNR>100_system..vimproc#system..<SNR>92_system..vimproc#
pgroup_open..<SNR>92_pgroup_open..vimproc#plineopen3..<SNR>92_plineopen..<SNR>92_conver
t_args..<SNR>92_analyze_shebang:
line   13:
E484: Can't open file 0