Direct request dispatch

[Firehed]

This removes the last piece of request-specific state from the dispatcher, which is more progress on #98

[codecov]

Codecov Report

Merging #101 into master will decrease coverage by 0.05%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #101      +/-   ##
============================================
- Coverage     96.59%   96.53%   -0.06%     
+ Complexity      131      129       -2     
============================================
  Files            22       22              
  Lines           470      462       -8     
============================================
- Hits            454      446       -8     
  Misses           16       16

Impacted Files	Coverage Δ	Complexity Δ
src/Dispatcher.php	98.71% <100%> (-0.12%)	24 <11> (-2)

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[codecov]

Codecov Report

Merging #101 into master will decrease coverage by 0.05%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #101      +/-   ##
============================================
- Coverage     96.59%   96.53%   -0.06%     
+ Complexity      131      129       -2     
============================================
  Files            22       22              
  Lines           470      462       -8     
============================================
- Hits            454      446       -8     
  Misses           16       16

Impacted Files	Coverage Δ	Complexity Δ
src/Dispatcher.php	98.71% <100%> (-0.12%)	24 <11> (-2)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 49e4929...9803272. Read the comment docs.