Category *aeatoms* notation *unknown center vs. known ligand* does not work

[blokhin]

this works:
http://localhost:5555/example_dev.html#inquiry/aeatoms=OX4

but this does not work:
http://localhost:5555/example_dev.html#inquiry/aeatoms=XO4

[blokhin]

to be fixed in the upcoming new data release...