AGAT-v0.1.0

• Fix #6,#7,#8,#9,#10,#11
• 5 new scripts:
  agat_sp_filter_feature_by_attribute_value.pl
  agat_sp_compare_two_annotations.pl
  agat_sp_compare_two_BUSCOs.pl
  agat_sp_sensitivity_specificity.pl
  agat_sp_filter_feature_by_attribute_value.pl (to replace maker_select_models_by_AED_score.pl from GAAS repo. It is standardised here that make it able to perform more advance tasks)
• Modification of agat_sp_manage_IDs.pl to get shorter default ID naming. The previous style is still available with the --ensembl option
• add tests
• Improve/fix output path and names for some scripts
• cosmetic changes: Clean code, improve help, factored some code (moved into utilities mod