Add reference in README to 0.3.4 release
Add reference in README to 0.3.4 release

backupify/timecop,backupify/timecop,rednovalabs/timecop,7091lapS/timecop,rednovalabs/timecop,travisjeffery/timecop,7091lapS/timecop,grosser/timecop,ducthanh/timecop,ducthanh/timecop,grosser/timecop,kidaa/timecop