Update NEWS.md

Author: heltonmc

NEWS.md

@@ -10,6 +10,8 @@ For bug fixes, performance enhancements, or fixes to unexported functions we wil
 
 # Unreleased
 
+# Version 0.2.0
+
 ### Added
  - add an unexport method (`Bessels.besseljy(nu, x)`) for faster computation of `besselj` and `bessely` (#33)
  - add exported methods for Hankel functions `besselh(nu, k, x)`, `hankelh1(nu, x)`, `hankelh2(nu, x)` (#33)
@@ -28,4 +30,4 @@ Initial release of Bessels.jl
 ### Added
 
  - support bessel functions (`besselj`, `bessely`, `besseli`, `besselk`) for real arguments
- - provide a gamma function (`Bessels.gamma`) for real arguments
+ - provide a gamma function (`Bessels.gamma`) for real arguments