v0.1.0

BREAKING CHANGES:

• sqrt() no longer floors the result, client programs are now responsible for dealing with the floating point imprecision.
• Namespace is now gcalc instead of gcalc/alg

Features:

• Added the following functions:
  • cbrt() -> Returns the cube root of the argument
  • pow2() -> Returns $2^{n}$ where $n$ is the argument
  • pow10() -> Returns $10^{n}$ where $n$ is the argument