Made ByteExec use static filename
Using checksums to compare contents rather than reading whole file from disk into memory
Factored for better readability
Factored for better readability
Updated comment
Renamed ByteExec to just Exec
Comment updates
Comment updates
Comment updates
Placing relative executables in ~/.byteexec
Merge pull request #1 from getlantern/1606

Made ByteExec use static filename