added more perldoc modified  Bio::EnsEMBL::Analysis::stats to not do any exception catching if  AnalysisStatsAdaptor->fetch_by_analysis_id fails there is something very wrong and the exception should propogate out and cause the program to fail
added more perldoc
modified  Bio::EnsEMBL::Analysis::stats to not do any exception catching
if  AnalysisStatsAdaptor->fetch_by_analysis_id fails there is something
very wrong and the exception should propogate out and cause the program to fail

Ensembl/ensembl-hive,Ensembl/ensembl-hive,Ensembl/ensembl-hive,Ensembl/ensembl-hive