[feature/elliptic-curve] Use an instance of Crypt_Hash instead of sha1().
[feature/elliptic-curve] Assign a variable to Math_BigInteger(1).
[feature/elliptic-curve] Rename $q to $max because that's what it is.
[feature/elliptic-curve] Do not instantiate unnecessary $x instance.
[feature/elliptic-curve] Rename $p -> $prime
[feature/elliptic-curve] Specify prime data to BigInteger directly in base 16.
[feature/elliptic-curve] Associate the generator (decimal 2) with the prime.
[feature/elliptic-curve] Add comment for generator 2 and sha1 hash function.
Merge pull request #117 from bantu/elliptic-curve-preparation

Preparation for ECDH in SSH
Merge branch 'master' of https://github.com/phpseclib/phpseclib