Pydamage version 0.80

[maxibor]

Major new version of PyDamage including the following changes:

• Counting and including G to A damage in addition of already existing C to T damage
• Read Base quality rescaling using the damage model information
• Switch to more numpy based operations in damage and alignment statistics calculations, accelerated with numba when possible
• Fix of the coverage calculation in grouped mode
• Default damage window is reduced to 13 bases
• Print statements are moved to logging.