Few pod fixes. Added 3 methods, neighbors, find_node_by_name and find_node_by_node_id
Few pod fixes. Added 3 methods, neighbors, find_node_by_name and find_node_by_node_id

Ensembl/ensembl-compara,ckongEbi/ensembl-compara,ckongEbi/ensembl-compara,danstaines/ensembl-compara,dbolser-ebi/ensembl-compara,danstaines/ensembl-compara,Ensembl/ensembl-compara,ckongEbi/ensembl-compara,Ensembl/ensembl-compara,dbolser-ebi/ensembl-compara,Ensembl/ensembl-compara,etapanari/ensembl-compara,danstaines/ensembl-compara,kumarsaurabh20/ensembl-compara,kumarsaurabh20/ensembl-compara,kumarsaurabh20/ensembl-compara,etapanari/ensembl-compara,Ensembl/ensembl-compara,dbolser-ebi/ensembl-compara,danstaines/ensembl-compara,kumarsaurabh20/ensembl-compara,Ensembl/ensembl-compara,etapanari/ensembl-compara,etapanari/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,danstaines/ensembl-compara