0.3.7 (2018-04-25)

• Fix some bugs and improve performance.
• Fix some docker files for automatic image building.
• Move more pure OCaml implementation to base library.
• Add a new math module to support complex numbers.
• Improve the configuration and building system.
• Improve the automatic documentation building system.
• Change template code into C header files.
• Add initial support for OpenMP with evaluation.
• Tidy up packaging using TOPKG.