The R-tree appears to split the nodes properly, but a basic search fails . . .
tree9fda229bc41381549a091b43dd448c7a2410f495
-rw-r--r-- 272 .aesalon.conf
-rw-r--r-- 351 .gitignore
-rw-r--r-- 35068 LICENSE
-rw-r--r-- 2155 SConstruct
-rw-r--r-- 322 TODO
lrwxrwxrwx 22 aesalon -> .build/monitor/aesalon
drwxr-xr-x - build
drwxr-xr-x - data
drwxr-xr-x - doc
drwxr-xr-x - include
drwxr-xr-x - modules
-rwxr-xr-x 5882 newsource.py
drwxr-xr-x - src
drwxr-xr-x - tests