Implementation of:
- Naive Elimination (see http://jmlr.csail.mit.edu/papers/volume7/evendar06a/evendar06a.pdf)
- Successive Elimination (see http://jmlr.csail.mit.edu/papers/volume7/evendar06a/evendar06a.pdf)
- Median Elimination (see http://jmlr.csail.mit.edu/papers/volume7/evendar06a/evendar06a.pdf)
- UGapEc (see https://hal.inria.fr/hal-00747005v1/document)
- UGapEb (see https://hal.inria.fr/hal-00747005v1/document)
- LUCB (see http://proceedings.mlr.press/v30/Kaufmann13.pdf)
- KL LUCB (see http://proceedings.mlr.press/v30/Kaufmann13.pdf)