Only fetch once when calling `+ (NSFetchedResultsController *) MR_fetchAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm groupBy:(NSString *)groupingKeyPath;`
Update the podspec to new specifications and make it pass `spec lint`
Removed some compile warnings from new compiler
merging
Merge commit '77ea00a600209c452ab9c374e69492676c1280ab' into fix
catching some merge errors
Merge pull request #507 from dulaccc/update-cocoapod-spec

Update the podspec
Merge pull request #502 from magicalpanda/FixingCleanup

Fixed cleaning up incompatible stores not working when WAL is being used
Merging custom sort orders in fetches
Merge pull request #458 from tonyarnold/hotfix/fix-double-fetch

Only fetch once when calling `+ (NSFetchedResultsController *) MR_fetchAllSortedBy...`
修复bug