Features
* added `depths` module implementing methods to calculate water depth from DEM data (7cc3f79d930b808a9d0313aed36f2a0601706b2b, b6ed812e4968995cd1796b97902599ab7042f8b0, e7c19aca64515d5bd23cccb1ff4318bfc59cdfe0)
* add `floods` module for extracting flood area from water images (f7d3c3a2972fa38fa0d91f83de62bf5cec72edff)
* added `filter` and `select` wrappers in base `Dataset` to behave like `ee.ImageCollection` (6ab76aad195c8ba287103dd93aeca606c9994f85)
* added opening and closing morphological filters (3c32ef3000522aa72608487d99752cfd8d54e9ce)
* expanded export functionality to allow for exports to Google Drive (08fc34e0cae0094105e0723319ed485c8ceeac10)
* added new fuzzy logic functions in `fuzzy` module (fe1422b992ea4fb9f65f18eb9beec28c3aec84ca)
Fixes
* fixed unit tests bugs (aabc88b88bb3d6ec40f552564cfa36ca4dc64609)
* fixed bugs in filters where output band names not the same as input (0913030ec7cf31cb43dad54ff91f9a28a4ecb5df)
Changes
* renamed `carry_metadata` to `keep_attrs` in decorators module (ddf64f6290fc17993b45f06d802a83d238f23777)
Docs
* added `depths` module to docs
* added `floods` module
* fixed/edited doc strings in functions