Optimize finding the largest coeffs in an array of coeffs
Merge branch 'largest-coeff-optimization' into develop
Lower GUESS_SET_LEN so building a DB from scratch doesn't consume an inordinate amount of memory
Multithread haar2d functions
Lots of little fixups, bugfix in haar.d due to multithreading, got a handle on crash when a FileDB was destructed, but its PersistLayer was alredy closed
more binaries to .gitignore
some notes
Merge branch 'develop'