Feat/workinghighpass

[rubennoro]

Changes

-Working High Pass Filter developed in Embedded-Base/Middleware

Notes

-Included Test in C compiler
-Built with linking to makefile as well

Test Cases

• Case A:
  For high_pass_init(0.1, 1.0, &filter); (Alpha = 0.1, Scale = 1.0)
  
  Input: 1.00, Filtered Output: 0.10
  Input: 2.00, Filtered Output: 0.19
  Input: 3.00, Filtered Output: 0.27
  Input: 4.00, Filtered Output: 0.34
  Input: 5.00, Filtered Output: 0.41
  Input: 4.50, Filtered Output: 0.32
  Input: 3.50, Filtered Output: 0.19
  Input: 2.50, Filtered Output: 0.07
  Input: 1.50, Filtered Output: -0.04
  Input: 0.50, Filtered Output: -0.13
  Produces these results

Closes #178 (issue #178)

[jr1221]

looks good. merging.