Implement sorting arrays by multiple columns at once
Switch to using RLMSortDescriptor for sorting by multiple columns
RLMResults stage 1
fix tests, conversion stage 2
fix for swift tests
merge in #978
rename sort methods
changelog
fixes for examples
add RLMresults class for empty results
typo
doc fixes
Add missing initializers
Merge branch 'master' into al-results
fixes for latest merge
pr fixes pt 1
typo
merge
small doc/message fixes
pr fixes