Added new clocks BLUP and EN

Added

• BLUP clock and EN clock described at :
  Zhang, Q., Vallerga, C. L., Walker, R. M., Lin, T., Henders, A. K., Montgomery, G. W., ... & Visscher, P. M. (2019). Improved precision of epigenetic clock estimates across tissues and its implication for biological ageing. Genome medicine, 11(1), 1-11.

Hannum' and Bohlin' clocks fixed

fix bug Hannum and Bohlin

see email Ai Ling Teh

Hannum's clock fixed

v0.7.6

Update DNAmAge.R

Added new clock (children) Wu

v0.7.3

Update DESCRIPTION

Version including Telomere Length predictor

v0.7.1

Update internals.R

Version adapted to be used in DataSHIELD

Modifications to be used in DS. Also removed dependencies on cell types and Bohlin (GAPrediction)

Paper 1

Version used in paper
https://doi.org/10.1093/bioinformatics/btaa825