fix crash on unwrapping optionals when migration fails
fix crash on unwrapping optionals when migration fails
uglybrd/SugarRecord,SwiftReactive/SugarRecord,pepibumur/SugarRecord,tonyxiao/SugarRecord,carambalabs/SugarRecord,tonyxiao/SugarRecord,SwiftReactive/SugarRecord,SwiftReactive/SugarRecord,tonyxiao/SugarRecord,carambalabs/SugarRecord,gitdoapp/SugarRecord,0x73/SugarRecord,diejmon/SugarRecord,SugarTeam/SugarRecord,sugar2010/SugarRecord,ArthurKK/SugarRecord,ivanbruel/SugarRecord,uglybrd/SugarRecord,PhilJay/SugarRecord,diejmon/SugarRecord,SugarTeam/SugarRecord,vary-llc/SugarRecord,gitdoapp/SugarRecord,SugarRecord/SugarRecord,sugar2010/SugarRecord,SugarRecord/SugarRecord,pepibumur/SugarRecord,PhilJay/SugarRecord,vary-llc/SugarRecord,ArthurKK/SugarRecord,0x73/SugarRecord,kaushaldeo/SugarRecord,kaushaldeo/SugarRecord,ivanbruel/SugarRecord,sugar2010/SugarRecord,ArthurKK/SugarRecord,uglybrd/SugarRecord,SugarTeam/SugarRecord,0x73/SugarRecord,kaushaldeo/SugarRecord,diejmon/SugarRecord,ivanbruel/SugarRecord,PhilJay/SugarRecord,vary-llc/SugarRecord,gitdoapp/SugarRecord