Revert "Merge branch 'master' of https://github.com/claydiffrient/ModulusTreeEncrypt"

This reverts commit 9edacc74ae19b01ccff7bb99266eccd09401b9ef, reversing
changes made to 1768c3d6cb4bb49ee7d1df3f0f1f594ec2c800c6.
Revert "-simpler method of indicating padding"

This reverts commit 1768c3d6cb4bb49ee7d1df3f0f1f594ec2c800c6.
Revert "-added padding field at byte[0] of the input in FileEncryption"

This reverts commit bec07458d68dd45d5e51a29bb122452b51d89797.