try x-requested-with for CORS
Merge pull request #601 from switz/api-alg

Add 'To next level' to user stats on API
New Algorithms + fixes
Merge pull request #604 from MrConcept/algos

New Algorithms + fixes
Merge branch 'master' into origin-develop
add default numbers for restore tool if one isn't provided: #594
Fix broken tnl test