Add tryFindBack and tryFindIndexBack
Merge pull request #22 from PatrickMcDonald/patch-1

Add tryFindBack and tryFindIndexBack
Assign findBack, tryFindBack, findIndexBack and tryFindIndexBack
Merge pull request #23 from PatrickMcDonald/patch-1

Assign findBack, tryFindBack, findIndexBack and tryFindIndexBack
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Assign sortDescending and sortByDescending
Merge pull request #24 from richardadalton/master

Assign sortDescending and sortByDescending
Update CoreLibraryFunctions.md
Add link to groupBy PR
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md
Update CoreLibraryFunctions.md