* chore: add tests for csv stream
* fix: csv values must have quotes when they contain a new line
* fix: csv reader did not properly handle special cases
* feat: dynamically decompress bc5 textures for modman
* chore: restructure image format class
* chore: keep dds file conversions
* chore: convert all kinds of webgl unsupported formats
* chore: add decompressors for remaining formats
* chore: always set full alpha if available on bc4 and bc5 decompression