Disabled automatic loading of object_xrefs etc, now written to file.

Now assigns an analysis ID or creates one if necessary.

added miRNA registry to external_dbs list

Improved process communication. Implemented parsing.

Temporary utility to dump xref sequences to a FASTA file. Needed for development/debugging of xref mapping system.

Temporary utility to dump Ensembl transcript sequences to a FASTA file. Needed for development/debugging of xref mapping system.

Added storing of dependent xref label and linkage annotation (mainly for GO dependent xrefs so far).

Populate max_length in meta_coord table now.  Additionally, meta coord is automatically populated now and no longer needs hardcoding for each species.

Initial version of program to convert short introns into frameshifts.  Currently cannot handle all cases and needs some significant reworking.