Finish release-0.9.5
stopp doesn't change the state of the line from off hook to on hook so don't change the status.
added prompt.blankAttempts - this is the number of blank entries in a row before TooManyAttemptsException is thrown. The default is 5.

prompt.attempts becomes the total of all attempts for the prompt and is defaulted to 99 now.
every once in a while when calling this method on multiple threads, the program would just end with no errors. Decide to wrap getline with a lock object to see if it was a threadsafe issue.
switch to beta2
Added nlog and some debug statements
added some debug statements.
remove hangup and sleep of two seconds inside of dial method.
forgot to disable dial tone
update beta number
nlog reference
added nlog
added volume control.
removed 'T' as a terminator(timeout). The 'T' terminator was like the 't' terminator except you had to have entered at least 1 other character. To get the same result, just use 't' and 'AllowBlanks=false'
add volume control
add volume control
moved up to beta 8
fix up timeout check
change to the correct version for the release
Finish release-0.9.6