now parsing correctly when they are encoded symbols inside tags, as for
example , {data['hello']}. Closes #71
added functionality for {.} to output `this`, for example when
data=["John","Mary"], you can do: {#data}{.}{/data} to output the array.

Closes #72
up to v0.7.3
Update upgrade.md
Update upgrade.md
updated todos in the readme
Merge branch 'master' of github.com:edi9999/docxtemplater
works now in the browser (except the qrcode and angular)
Add some documentation on angular expressions
more tolerant regex

allows for parsing tags with additional spaces, such as complex angular expressions: `{-w:p text | split:'\n'}{.}{/text | split:'\n'}`
Merge pull request #74 from ssured/patch-1

Add some documentation on angular expressions
Merge pull request #75 from ssured/patch-2

more tolerant regex
added minify option for the browser, library is now 260kB minified
Merge branch 'master' of github.com:edi9999/docxtemplater
everything works in the browser (including angular expressions and
qrcode)
update samples to work with qrcode even on distant server
Merge branch 'master' into bug-#39