v1.1.0

math: Added new math functions (#2)

Basically most of the standard C functions that were not already present in sqlite3 and a few more:

- acos(X)
- asin(X)
- atan(X)
- atan2(Y,X)
- ceil(X)
- cos(X)
- cosh(X)
- e()
- exp(X)
- floor(X)
- log(X)
- log10(X)
- pi()
- pow(X,Y)
- sin(X)
- sinh(X)
- sqrt(X)
- tan(X)
- tanh(X)

v1.0.1

ci: Adding Travis CI to run tests (#1)

v1.0.0

Updating code for SQLite3 v3.31.1