Replaced MT19937 pseudorandom generator with SFMT

[csnv]

Pull Request Prelude

• I have followed proper Hercules code styling.
• I have read and understood the contribution guidelines before making this PR.
• I am aware that this PR may be closed if the above-mentioned criteria are not fulfilled.

Changes Proposed

Replace outdated pseudorandom generator Mersenne Twister (MT) with its more up to date version SIMD-oriented Fast Mersenne Twister (SFMT).
According to various sources, SFMT has the following advantages over MT:

• Faster in most platforms.
• Better equidistribution property at v-bit precision.
• Faster recovery from zero-excess initial state.
• Speed/accuracy can be customized based on the different params files.

Pending:
Updating Apple's xcode project files.

Issues addressed:
None