Document cygwin static steps and update testing section slightly
Document cygwin static steps and update testing section slightly

Distrotech/sox,mhartzel/sox_personal_fork,CaptainHayashi/sox,Distrotech/sox,MageSlayer/sox,pcqpcq/sox,Motiejus/sox,cbagwell/sox,Distrotech/sox,uklauer/sox,pcqpcq/sox,uklauer/sox,jacksonh/sox,MageSlayer/sox,CaptainHayashi/sox,Motiejus/sox,mhartzel/sox_personal_fork,MageSlayer/sox,cbagwell/sox,MageSlayer/sox,CaptainHayashi/sox,Motiejus/sox,Motiejus/sox,mhartzel/sox_personal_fork,MageSlayer/sox,pcqpcq/sox,mhartzel/sox_personal_fork,uklauer/sox,davel/sox,jacksonh/sox,pcqpcq/sox,jacksonh/sox,cbagwell/sox,uklauer/sox,davel/sox,davel/sox,CaptainHayashi/sox,Distrotech/sox,jacksonh/sox,davel/sox,cbagwell/sox