CHANGES IN VERSION 0.99.30
------------------------
 o ViSEAGO citation update

CHANGES IN VERSION 0.99.32
------------------------
 o GOterms_heatmap GO.clusters column convert to character in order to prevent data.table merge error.

CHANGES IN VERSION 0.99.33
------------------------
 o merge_enrich_terms exemple update.

CHANGES IN VERSION 0.99.34
------------------------
 o README update (download from Bioconductor and forgeMIA gitlab)
 o add require("topGO") in create_topGOdata method

CHANGES IN VERSION 0.99.35
------------------------
 o README update

CHANGES IN VERSION 0.99.36
------------------------
 o annotate id argument signature with "NULL"

CHANGES IN VERSION 0.99.37
------------------------
 o add environment option for merge_enrich_terms

CHANGES IN VERSION 0.99.38
------------------------
 o show method for GO_cluster print bug correction

CHANGES IN VERSION 0.99.39
------------------------
 o check gene background in merge_enrich_terms upgrade

CHANGES IN VERSION 0.99.40
------------------------
 o add attachNamespace("topGO") instead require("topGO") in create_topGOdata method for prevent build check warnings

CHANGES IN VERSION 0.99.41
------------------------
 o keep require("topGO") in create_topGOdata method

CHANGES IN VERSION 0.99.42
------------------------
 o remove environment signature in merge_enrich_terms
