Fix disabling of usecache
Set low speed limit
Merge remote branch 'kolibre/master'
Update README.md

Put commands in preformatted code blocks
Minor memoryleak fixes
Fix buffer increment error in loop
Exit gdb after processing commands
properly initialize semaphores
Let cache object handle zlib c_stream object
Throw on Http readBytes problems
Adjust log levels to avoid populating the log with unsignificant information
Error checking pointer instead of value