Update changelog for hslua 1.0.2
## Changelog
+### 1.0.2
+
+Released 2019-01-05.
+
+- Fixed cross-compilation: placement of C import declarations
+ were fixed, thereby resolving issues with cross-compilation.
+ (Vanessa McHale and Faraz Maleknia)
+
+- Added .gitattributes file, fixing the wrong language
+ classification of the GitHub repository. (Vanessa McHale)
+
+- Improved `toHaskellFunction` documentation. The documentation
+ is now more specific on which Haskell exceptions are caught and
+ which will lead to crashes.
+
+
### 1.0.1
- Exposed more functions from Lua's `lauxlib` library:
