Fixed some problems with yara-python under Python 3.x
Fixed some problems with yara-python under Python 3.x

bmagistro/yara,plusvic/yara,neatsun/yara,mgoffin/yara,rayyang2000/yara,hillu/yara,MeteorAdminz/yara,0x0mar/yara,beikezcs/yara,VirusTotal/yara,bmagistro/yara,pombredanne/yara,msuvajac/yara,MeteorAdminz/yara,kallanreed/yara,digideskio/yara,cblichmann/yara,cblichmann/yara,tdr130/yara,neatsun/yara,foreni-packages/yara,bmagistro/yara,plusvic/yara,plusvic/yara,hillu/yara,rednaga/yara,wxsBSD/yara,jshufelt/yara,digideskio/yara,binsrc/yara,wxsBSD/yara,rayyang2000/yara,binsrc/yara,beikezcs/yara,digideskio/yara,VirusTotal/yara,VirusTotal/yara,wxsBSD/yara,hillu/yara,pombredanne/yara,VirusTotal/yara,jpypi/yara,hillu/yara,msuvajac/yara,rednaga/yara,jshufelt/yara,frbapolkosnik/yara,jpypi/yara,plusvic/yara,plusvic/yara,cblichmann/yara,foreni-packages/yara,frbapolkosnik/yara,tdr130/yara,mgoffin/yara,binsrc/yara,kallanreed/yara,tanium/yara,rayyang2000/yara,Security513/yara,tanium/yara,jpypi/yara,beikezcs/yara,0x0mar/yara,neatsun/yara,wxsBSD/yara,cblichmann/yara,0x0mar/yara,tdr130/yara,cblichmann/yara,0x0mar/yara,kallanreed/yara,Security513/yara,smaudet/yara,digideskio/yara,hillu/yara,jshufelt/yara,smaudet/yara,smaudet/yara,binsrc/yara,msuvajac/yara,Security513/yara,smaudet/yara,pombredanne/yara,pombredanne/yara,tanium/yara,foreni-packages/yara,MeteorAdminz/yara,jshufelt/yara,mgoffin/yara,frbapolkosnik/yara,mgoffin/yara,rednaga/yara,frbapolkosnik/yara,wxsBSD/yara,VirusTotal/yara,pombredanne/yara