Log Message:
update to 0.7.5

0.7.5 is a bug fix release, including:

- force lookup of journal props in anydbm filtering
- fixed lookup of "missing" Link values for new props in anydbm backend
- allow list of values for id, Number and Boolean filtering in anydbm
  backend
- fixed some more mysql 0.6->0.7 upgrade bugs (sf bug 950410)
- fixed Boolean values in postgresql (sf bugs 972546 and 972600)
- fixed -g arg to roundup-server (sf bug 973946)
- better roundup-server usage string (sf bug 973352)
- include "context" always, as documented (sf bug 965447)
- fixed REMOTE_USER (external HTTP Basic auth) (sf bug 977309)
- fixed roundup-admin "find" to use better value parsing
- fixed RDBMS Class.find() to handle None value in multiple find
- export now stores file "content" in separate files in export directory

0.7.4 is a bug fix release, including:

- re-acquire the OTK manager when we re-open the database
- mailgw handler can close the database on us
- fixed grouping by a NULL Link value
- fixed anydbm import/export (sf bugs 965216, 964457, 964450)
- fix python 2.3.3 strftime deprecation warning (sf patch 968398)
- fix some column datatypes in postgresql and mysql (sf bugs 962611,
  959177 and 964231)
- fixed RDBMS journal packing (sf bug 959177)
- fixed filtering by floats in anydbm (sf bug 963584)