Jnitrace

- Changed backtrace output to include debug symbols, where possible

- Added two new command line arguments to filter the library exports from the trace
- Changed the way object data was associated with output to ensure it is still visible if the method is not being traced

- Fix a bug preventing frida attach from working
- Updated README

- General code refactoring, including upgrading codebase to TypeScript
- Added tracing of the JavaVM struct by default
- Added method filters to include or exclude certain methods from the trace
- Added options to allow custom Frida scripts to be loaded before and after jnitrace is loaded
- Added option to export all traced data to a json formatted file
- Added options to switch off tracking of the whole JavaVM or JNIEnv
- Application is now killed when the tracer is finished to prevent crashes
- Log messages have been added to show when a tracked library is loaded
- Added support to capture floating point return values on X86 devices
- jnitrace now also displays the values of jvalue* and va_list for method calls
- Bugfix for crashes on arm 32 bit devices

- Bug fix - Backtraces are now printed correctly for variadic functions
- jboolean values now print true/false as well as the integer value
- Updated README

- Bug fix - Used Interceptor.replace to ensure that the CpuContext is populated for use by the Backtracer
- Bug fix - Updated the JNI function definitions to set the return type of Get<Type>ArrayElements to be a pointer rather than a primitive