muparserx v4.0.7

This is a maintainance Release. Changes since last release:

V4.0.7 (20160331)

Bugfixes:

• Issue 68: Assertion fails (i.e "abs(-3)>abs(2)")
• untracked issue: cbrt function did not work properly
• new functions: atan2, reminder, fmod

V4.0.5 (20151120)

Changes:

• New Noncomplex Functions: cbrt - Cubic root
  hypot - Length of a 2d vector
  pow - Power function
• New complex functions: pow - Power function
• Value construction and assignment from int is supported again (removed
  when going from in 3.x to 4.x).