Merge pull request #4 from Tox/master

Sync with main project
Merge pull request #5 from Tox/master

Sync with main project
Add manpage
Merge pull request #164 from Ansa89/man-page

Add manpage
fix backspace issue on some platforms
man page fixes/additions, rm unneeded toxic.conf file from install
give file senders their own threads
should fix the high cpu usage issue
Fixed setting buffer to half of the size
Merge pull request #165 from mannol1/master

Fixed setting buffer to half of the size