update signalp to V4 output
allow multiple versions
Merge pull request #107 from andrewjpage/signalp_version_change

update signalp to V4 output
version is a string not a double
Merge pull request #108 from andrewjpage/signalp_version_change

version is a string not a double
use Y pos as cleavage site
Merge pull request #109 from andrewjpage/signalp_version_change

use Y pos as cleavage site
tabs can be boundry character after name
Merge pull request #110 from andrewjpage/signalp_version_change

tabs can be boundry character after name