Changed closeChannel implementation [issue #18]
Changed closeChannel implementation [issue #18]

NMSSHChannel:
- renamed openSession: to openChannel:
- renamed closeSession to closeChannel

NMSSH/NMSSH,gnachman/NMSSH,AriX/NMSSH,Lakhman/NMSSH,Lakhman/NMSSH,eugenehp/NMSSH,Lakhman/NMSSH,ricobeck/NMSSH,AriX/NMSSH,clemensg/NMSSH,endSly/NMSSH,clemensg/NMSSH,mralexgray/NMSSH,doo/NMSSH,AriX/NMSSH,gnachman/NMSSH,3drobotics/NMSSH,NMSSH/NMSSH,gnachman/NMSSH,doo/NMSSH,eugenehp/NMSSH,mralexgray/NMSSH,eugenehp/NMSSH,3drobotics/NMSSH,clemensg/NMSSH,eugenehp/NMSSH,mralexgray/NMSSH,tbartelmess/NMSSH,Lejdborg/NMSSH,clemensg/NMSSH,gnachman/NMSSH,tbartelmess/NMSSH,ricobeck/NMSSH,tbartelmess/NMSSH,Lejdborg/NMSSH,3drobotics/NMSSH,doo/NMSSH,Lejdborg/NMSSH,NMSSH/NMSSH,ADGrant/NMSSH,Lakhman/NMSSH,AriX/NMSSH,ricobeck/NMSSH,Lejdborg/NMSSH,mralexgray/NMSSH,ADGrant/NMSSH,endSly/NMSSH,tbartelmess/NMSSH,doo/NMSSH,endSly/NMSSH,ADGrant/NMSSH