https://stackoverflow.com/a/17007054/1408362
I found a partial answer to my own question. Seeing as the jade-handlebars package was last updated 7 months ago(at this time), it was using the basic "require()" method in its package.js file, when newer versions of meteor(0.6.4 at this time) want you to use Npm.require() see the relevant stackoverflow post I am linking.
Now the issue that I encounter is this
No dependency info in bundle. Filesystem monitoring disabled.
=> Errors prevented startup:
Exception while bundling application:
Error: ELOOP, too many symbolic links encountered '/home/ewillis1/myproject/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebar
s/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/
packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/pa
ckages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/pack
ages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packag
es/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages/jade-handlebars/packages
/jade-handlebars/jade/lib/index.js'
The second issue was due to an error I made when I accidentally used mrt to install jade-handlebars while in my jade-handlebars folder