*/*: update several cego related ports
devel/lfcbase 1.18.11 -> 1.19.0
- Changed Datetime::asLong to return signed long values ( long long ). This is needed to support timestamp values before 01.01.1970, which are signed negative
databases/cego 2.50.6 -> 2.51.0
- consolidate grammar productions for query conditions and procedure conditions
- Since CegoPredicate::CompType has received new type EXPRONLY, this requires a tableset export/import for upgrading to this version ( for predicate encoding / decoding )
- Several changed in CegoFieldValue to switch from Datetime integer type unsigned long long to long long. This is required to support datetime comparison for values before 01.01.1970
databases/cegobridge 1.8.1 -> 1.9.0
- adapt to cego 2.51.0