delete old comments
mod gitignore to not consider bin/experiments
mod gitignore to not consider bin/experiments
unfinished work in solver.cpp
Clean from the wall all inaccessible buildings from the start
Merge branch 'cleanwall'
Add runs of commit 6fcc187, make sharper timing of elapsed time
remove old scripts/runs.txt-runtimes.txt
Overlap and Buildable sped-up, but problem with NoGaps != 0 with global cost == 0
bug during cleaning: remove correct building. To fix later.