1) Removed delete frames method 2) changed __init__ method 3) wrote some docstrings
1) Removed delete frames method
2) changed __init__ method
3) wrote some docstrings

oliverlee/pydy,jcrist/pydy,skidzo/pydy,Shekharrajak/pydy,jcrist/pydy,jcrist/pydy,Shekharrajak/pydy,jcrist/pydy,jcrist/pydy,oliverlee/pydy,skidzo/pydy,jcrist/pydy,skidzo/pydy,Shekharrajak/pydy,Shekharrajak/pydy,skidzo/pydy,oliverlee/pydy,jcrist/pydy