[ENSCORESW-2541]. Tree needs root node. Initial implementation of the insert method.
[ENSCORESW-2541]. Tree needs root node. Initial implementation of the insert method.

Ensembl/ensembl,muffato/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,muffato/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,Ensembl/ensembl,muffato/ensembl,muffato/ensembl