changed from bash to zsh
add check for 'tag' & tell user how to install it
Quote variables, use 'echo -n' instead of 'echo'
Added check to see if $1 exists as a file
fix missing "
Define $filename and $extension using zsh-isms
clarify comments
add variables for PUSHOVER_TOKEN and _USERNAME
use mstmp; add checks for PDF extension & mstmp
PUSHOVER_USERKEY instead of PUSHOVER_USERNAME
fix some quoting
Misc minor corrections (see description)

1. mavtags had an errant '*'
2. entags now uses 'tr' instead of 'sed'
3. msmtp exit code now checked and different messages are sent for success vs failure
Initial Commit
Initial Commit
Initial Commit
Updated Readme
use $filename in Subject line, not $1
Explained how to change Hazel rule if needed