Update README.md

Merge pull request #30 from Aegrah/persistence-exatrack-systemuser

[New Feature] System User Backdoor

Merge pull request #29 from Aegrah/several-fixes-and-improvements

[Improvements] Several improvements and fixes for PANIX v2.0.1 release

Update README.md

Merge pull request #4 from Aegrah/name-change-panix

[Name Change] ALPHA to PANIX

Should be ready for ALPHA version 1.0