Features
* add chromosome mapping utility and data files for hg19 and hg38 ([f037b92](https://github.com/kircherlab/MPRAlib/commit/f037b9257e5cd91d3197c21bb48035ec0fc1df9f))
* add MPRA analysis script and enhance MPRAdata class with variant mapping and counts ([00de9c0](https://github.com/kircherlab/MPRAlib/commit/00de9c0f4fca86abac764705806c1028f64bfd7f))
* add MPRA element analysis script and enhance MPRAdata class with element DNA and RNA counts ([df5e5fe](https://github.com/kircherlab/MPRAlib/commit/df5e5feaff1076fe2d88bce46a7f56cf3fc5cad3))
* add output option for MPRA data object and enhance element and variant reporting functions ([4a81736](https://github.com/kircherlab/MPRAlib/commit/4a81736157da9ca13af624d184f582b1bb2b810e))
* random sampling of barcodes ([62330d0](https://github.com/kircherlab/MPRAlib/commit/62330d04624384084ccd741deee3c78bba5628aa))
Bug Fixes
* adjust YAML linter configuration for comments spacing ([ab6c18f](https://github.com/kircherlab/MPRAlib/commit/ab6c18f4c55fa876864b1d9f3d9f66f36ee65171))