Fixed memory leaks
Added unittests for Benchmark and Serialization APIs
adding conditionals for some test cases
updates to MIRACL module
exposing pre-processing for group exponentiation in PBC pairing module -- needs testing
updates to pre-processing optimizations in PBC module
updating MIRACL module with thesame exp. optimizations
cleaned up RELIC module
scheme cleanup
updates to RELIC
adding back JSON serialization
merging with dev