Update changelog

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## Version 0.3.1
+
+* Support Default trait.
+
 ## Version 0.3.0
 
 * Breaking change: add specific implementations for `exp2` and `log2`
@@ -13,48 +17,47 @@
 
 ## Version 0.2.2
 
-* Removed debugging code accidentally left in no_overlap function.
+* Remove debugging code accidentally left in no_overlap function.
 
 ## Version 0.2.1
 
-* Added `exp_m1`, `ln_1p` functions.
+* Add `exp_m1`, `ln_1p` functions.
 
 ## Version 0.2.0
 
 * Breaking change: prefer value-like arguments to improve ergonomics.
 * Breaking change: use `ConversionError` type to represent failure of
   `try_into`.
-* Breaking change: replaced `try_new` and `data` with conversions to/from
+* Breaking change: replace `try_new` and `data` with conversions to/from
   `(f64, f64)` and `[f64; 2]`.
-* Added `NAN` constant.
+* Add `NAN` constant.
 
 ## Version 0.1.4
 
-* Added `copysign`, `hypot`, `round`, `signum` functions.
-* Added trigonometric functions `cos`, `sin`, `sin_cos`, `tan` and inverse
+* Add `copysign`, `hypot`, `round`, `signum` functions.
+* Add trigonometric functions `cos`, `sin`, `sin_cos`, `tan` and inverse
   functions `asin`, `acos`, `atan`, `atan2`.
-* Added Euclidean division and remainder functions `div_euclid`,
-  `rem_euclid`.
+* Add Euclidean division and remainder functions `div_euclid`, `rem_euclid`.
 
 ## Version 0.1.3
 
-* Added `hi` and `lo` functions to extract individual words.
-* Added angle conversion functions: `to_degrees`, `to_radians`.
-* Added hyperbolic functions `cosh`, `sinh`, `tanh` and inverse functions
+* Add `hi` and `lo` functions to extract individual words.
+* Add angle conversion functions: `to_degrees`, `to_radians`.
+* Add hyperbolic functions `cosh`, `sinh`, `tanh` and inverse functions
   `acosh`, `asinh`, `atanh`.
-* Updated `is_valid` method to check for overlapping representations.
+* Update `is_valid` method to check for overlapping representations.
 * Bugfix in integer truncation where low word fraction was zero.
 
 ## Version 0.1.2
 
-* Added functions: `cbrt`, `exp`, `exp2`, `ln`, `log`, `log2`, `log10`, `powf`.
-* Added mathematical constants.
+* Add functions: `cbrt`, `exp`, `exp2`, `ln`, `log`, `log2`, `log10`, `powf`.
+* Add mathematical constants.
 
 ## Version 0.1.1
 
-* Added functions: `recip`, `max`, `min`, `fract`, `trunc`, `ceil`, `floor`,
+* Add functions: `recip`, `max`, `min`, `fract`, `trunc`, `ceil`, `floor`,
   `sqrt`, `powi`.
-* Added `%` and `%=` operators.
+* Add `%` and `%=` operators.
 
 ## Version 0.1.0