Add CPU, Memory and Uptime to command line

Start command line client

Move files to daemon directory

Check error in NetRate() only once

Simplify processStats() and processMems() by removing the error channels

Fix issue where err value would be overwritten

Change GetProcessInfo to return a chan map[string]ProcessInfo

Fix charToStr() returning strings longer than necessary

Replace numberofCPUs() in cpu.go with runtime.NumCPU()

Remove rss from cpustat

Move exported functions to the top of the file

Add processMem() to process.go

Remove fmt import

Add test for DiskRate()

Add DiskRate() to disk.go